Home / 25,542,543.17-38,312,441.10-12,575,767.12

Finding the Fourth Proportional to 25,542,543.17, 38,312,441.10 and 12,575,767.12

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Solution

The fourth proportional to 25,542,543.17, 38,312,441.10 and 12,575,767.12 is: 18,862,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,542,543.17 : 38,312,441.10 = 12,575,767.12 : x
  2. Step 2: Convert to fraction form
    25,542,543.17/38,312,441.10 = 12,575,767.12/x
  3. Step 3: Cross multiply
    25,542,543.17x = 38,312,441.10 × 12,575,767.12
  4. Step 4: Simplify right side
    25,542,543.17x = 481,808,336,817,875.56
  5. Step 5: Solve for x
    x = 481,808,336,817,875.56/25,542,543.17
  6. Step 6: Final answer
    x = 18,862,974.36

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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.