Home / 19,819,265.10-29,721,758.13-6,861,897.78

Finding the Fourth Proportional to 19,819,265.10, 29,721,758.13 and 6,861,897.78

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Solution

The fourth proportional to 19,819,265.10, 29,721,758.13 and 6,861,897.78 is: 10,290,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,819,265.10 : 29,721,758.13 = 6,861,897.78 : x
  2. Step 2: Convert to fraction form
    19,819,265.10/29,721,758.13 = 6,861,897.78/x
  3. Step 3: Cross multiply
    19,819,265.10x = 29,721,758.13 × 6,861,897.78
  4. Step 4: Simplify right side
    19,819,265.10x = 203,947,666,129,943.94
  5. Step 5: Solve for x
    x = 203,947,666,129,943.94/19,819,265.10
  6. Step 6: Final answer
    x = 10,290,374.80

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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.