Home / 14,781,915.60-22,177,020.60-7,209,128.40

Finding the Fourth Proportional to 14,781,915.60, 22,177,020.60 and 7,209,128.40

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Solution

The fourth proportional to 14,781,915.60, 22,177,020.60 and 7,209,128.40 is: 10,815,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781,915.60 : 22,177,020.60 = 7,209,128.40 : x
  2. Step 2: Convert to fraction form
    14,781,915.60/22,177,020.60 = 7,209,128.40/x
  3. Step 3: Cross multiply
    14,781,915.60x = 22,177,020.60 × 7,209,128.40
  4. Step 4: Simplify right side
    14,781,915.60x = 159,876,989,034,845.06
  5. Step 5: Solve for x
    x = 159,876,989,034,845.06/14,781,915.60
  6. Step 6: Final answer
    x = 10,815,715.19

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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.