Home / 28,312,042.56-39,070,149.76-15,752,626.40

Finding the Fourth Proportional to 28,312,042.56, 39,070,149.76 and 15,752,626.40

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Solution

The fourth proportional to 28,312,042.56, 39,070,149.76 and 15,752,626.40 is: 21,738,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,312,042.56 : 39,070,149.76 = 15,752,626.40 : x
  2. Step 2: Convert to fraction form
    28,312,042.56/39,070,149.76 = 15,752,626.40/x
  3. Step 3: Cross multiply
    28,312,042.56x = 39,070,149.76 × 15,752,626.40
  4. Step 4: Simplify right side
    28,312,042.56x = 615,457,472,561,329.62
  5. Step 5: Solve for x
    x = 615,457,472,561,329.62/28,312,042.56
  6. Step 6: Final answer
    x = 21,738,363.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.