Home / 27,716,691.86-38,249,282.48-15,327,618.78

Finding the Fourth Proportional to 27,716,691.86, 38,249,282.48 and 15,327,618.78

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Solution

The fourth proportional to 27,716,691.86, 38,249,282.48 and 15,327,618.78 is: 21,152,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716,691.86 : 38,249,282.48 = 15,327,618.78 : x
  2. Step 2: Convert to fraction form
    27,716,691.86/38,249,282.48 = 15,327,618.78/x
  3. Step 3: Cross multiply
    27,716,691.86x = 38,249,282.48 × 15,327,618.78
  4. Step 4: Simplify right side
    27,716,691.86x = 586,270,420,461,972.88
  5. Step 5: Solve for x
    x = 586,270,420,461,972.88/27,716,691.86
  6. Step 6: Final answer
    x = 21,152,250.90

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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.