Home / 21,376,806.59-29,500,371.01-11,587,575.89

Finding the Fourth Proportional to 21,376,806.59, 29,500,371.01 and 11,587,575.89

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Solution

The fourth proportional to 21,376,806.59, 29,500,371.01 and 11,587,575.89 is: 15,991,059.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,806.59 : 29,500,371.01 = 11,587,575.89 : x
  2. Step 2: Convert to fraction form
    21,376,806.59/29,500,371.01 = 11,587,575.89/x
  3. Step 3: Cross multiply
    21,376,806.59x = 29,500,371.01 × 11,587,575.89
  4. Step 4: Simplify right side
    21,376,806.59x = 341,837,787,949,766.38
  5. Step 5: Solve for x
    x = 341,837,787,949,766.38/21,376,806.59
  6. Step 6: Final answer
    x = 15,991,059.58

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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.