Home / 21,650,241.31-29,877,330.52-12,948,412.53

Finding the Fourth Proportional to 21,650,241.31, 29,877,330.52 and 12,948,412.53

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Solution

The fourth proportional to 21,650,241.31, 29,877,330.52 and 12,948,412.53 is: 17,868,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,650,241.31 : 29,877,330.52 = 12,948,412.53 : x
  2. Step 2: Convert to fraction form
    21,650,241.31/29,877,330.52 = 12,948,412.53/x
  3. Step 3: Cross multiply
    21,650,241.31x = 29,877,330.52 × 12,948,412.53
  4. Step 4: Simplify right side
    21,650,241.31x = 386,864,000,868,119.38
  5. Step 5: Solve for x
    x = 386,864,000,868,119.38/21,650,241.31
  6. Step 6: Final answer
    x = 17,868,807.80

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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.