Home / 19,152,085.40-28,728,128.10-17,584,443.80

Finding the Fourth Proportional to 19,152,085.40, 28,728,128.10 and 17,584,443.80

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Solution

The fourth proportional to 19,152,085.40, 28,728,128.10 and 17,584,443.80 is: 26,376,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152,085.40 : 28,728,128.10 = 17,584,443.80 : x
  2. Step 2: Convert to fraction form
    19,152,085.40/28,728,128.10 = 17,584,443.80/x
  3. Step 3: Cross multiply
    19,152,085.40x = 28,728,128.10 × 17,584,443.80
  4. Step 4: Simplify right side
    19,152,085.40x = 505,168,154,053,650.81
  5. Step 5: Solve for x
    x = 505,168,154,053,650.81/19,152,085.40
  6. Step 6: Final answer
    x = 26,376,665.70

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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.