Home / 21,429,386.30-29,572,775.52-11,640,021.14

Finding the Fourth Proportional to 21,429,386.30, 29,572,775.52 and 11,640,021.14

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Solution

The fourth proportional to 21,429,386.30, 29,572,775.52 and 11,640,021.14 is: 16,063,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,386.30 : 29,572,775.52 = 11,640,021.14 : x
  2. Step 2: Convert to fraction form
    21,429,386.30/29,572,775.52 = 11,640,021.14/x
  3. Step 3: Cross multiply
    21,429,386.30x = 29,572,775.52 × 11,640,021.14
  4. Step 4: Simplify right side
    21,429,386.30x = 344,227,732,221,274.50
  5. Step 5: Solve for x
    x = 344,227,732,221,274.50/21,429,386.30
  6. Step 6: Final answer
    x = 16,063,349.99

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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.