Home / 12,526,965.90-17,288,652.15-7,021,830.06

Finding the Fourth Proportional to 12,526,965.90, 17,288,652.15 and 7,021,830.06

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Solution

The fourth proportional to 12,526,965.90, 17,288,652.15 and 7,021,830.06 is: 9,690,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526,965.90 : 17,288,652.15 = 7,021,830.06 : x
  2. Step 2: Convert to fraction form
    12,526,965.90/17,288,652.15 = 7,021,830.06/x
  3. Step 3: Cross multiply
    12,526,965.90x = 17,288,652.15 × 7,021,830.06
  4. Step 4: Simplify right side
    12,526,965.90x = 121,397,977,363,753.61
  5. Step 5: Solve for x
    x = 121,397,977,363,753.61/12,526,965.90
  6. Step 6: Final answer
    x = 9,690,932.21

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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.