Home / 15,644,781.06-21,590,795.61-8,769,264.90

Finding the Fourth Proportional to 15,644,781.06, 21,590,795.61 and 8,769,264.90

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Solution

The fourth proportional to 15,644,781.06, 21,590,795.61 and 8,769,264.90 is: 12,102,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644,781.06 : 21,590,795.61 = 8,769,264.90 : x
  2. Step 2: Convert to fraction form
    15,644,781.06/21,590,795.61 = 8,769,264.90/x
  3. Step 3: Cross multiply
    15,644,781.06x = 21,590,795.61 × 8,769,264.90
  4. Step 4: Simplify right side
    15,644,781.06x = 189,335,406,105,847.09
  5. Step 5: Solve for x
    x = 189,335,406,105,847.09/15,644,781.06
  6. Step 6: Final answer
    x = 12,102,144.82

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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.