Home / 25,487,613.70-38,168,434.95-16,921,572.10

Finding the Fourth Proportional to 25,487,613.70, 38,168,434.95 and 16,921,572.10

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Solution

The fourth proportional to 25,487,613.70, 38,168,434.95 and 16,921,572.10 is: 25,340,541.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,487,613.70 : 38,168,434.95 = 16,921,572.10 : x
  2. Step 2: Convert to fraction form
    25,487,613.70/38,168,434.95 = 16,921,572.10/x
  3. Step 3: Cross multiply
    25,487,613.70x = 38,168,434.95 × 16,921,572.10
  4. Step 4: Simplify right side
    25,487,613.70x = 645,869,923,950,585
  5. Step 5: Solve for x
    x = 645,869,923,950,585/25,487,613.70
  6. Step 6: Final answer
    x = 25,340,541.16

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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.