Home / 21,458,060.01-29,690,098.68-18,710,472.98

Finding the Fourth Proportional to 21,458,060.01, 29,690,098.68 and 18,710,472.98

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Solution

The fourth proportional to 21,458,060.01, 29,690,098.68 and 18,710,472.98 is: 25,888,444.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,060.01 : 29,690,098.68 = 18,710,472.98 : x
  2. Step 2: Convert to fraction form
    21,458,060.01/29,690,098.68 = 18,710,472.98/x
  3. Step 3: Cross multiply
    21,458,060.01x = 29,690,098.68 × 18,710,472.98
  4. Step 4: Simplify right side
    21,458,060.01x = 555,515,788,977,223.19
  5. Step 5: Solve for x
    x = 555,515,788,977,223.19/21,458,060.01
  6. Step 6: Final answer
    x = 25,888,444.19

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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.