Home / 9,980,127.60-14,970,191.40-5,445,164.40

Finding the Fourth Proportional to 9,980,127.60, 14,970,191.40 and 5,445,164.40

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Solution

The fourth proportional to 9,980,127.60, 14,970,191.40 and 5,445,164.40 is: 8,167,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,980,127.60 : 14,970,191.40 = 5,445,164.40 : x
  2. Step 2: Convert to fraction form
    9,980,127.60/14,970,191.40 = 5,445,164.40/x
  3. Step 3: Cross multiply
    9,980,127.60x = 14,970,191.40 × 5,445,164.40
  4. Step 4: Simplify right side
    9,980,127.60x = 81,515,153,272,466.17
  5. Step 5: Solve for x
    x = 81,515,153,272,466.17/9,980,127.60
  6. Step 6: Final answer
    x = 8,167,746.60

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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.