Home / 23,445,339.40-35,168,009.10-21,131,201.80

Finding the Fourth Proportional to 23,445,339.40, 35,168,009.10 and 21,131,201.80

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Solution

The fourth proportional to 23,445,339.40, 35,168,009.10 and 21,131,201.80 is: 31,696,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,445,339.40 : 35,168,009.10 = 21,131,201.80 : x
  2. Step 2: Convert to fraction form
    23,445,339.40/35,168,009.10 = 21,131,201.80/x
  3. Step 3: Cross multiply
    23,445,339.40x = 35,168,009.10 × 21,131,201.80
  4. Step 4: Simplify right side
    23,445,339.40x = 743,142,297,196,336.50
  5. Step 5: Solve for x
    x = 743,142,297,196,336.50/23,445,339.40
  6. Step 6: Final answer
    x = 31,696,802.70

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.