Home / 10,121,000.70-15,181,501.05-9,144,723.90

Finding the Fourth Proportional to 10,121,000.70, 15,181,501.05 and 9,144,723.90

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Solution

The fourth proportional to 10,121,000.70, 15,181,501.05 and 9,144,723.90 is: 13,717,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,000.70 : 15,181,501.05 = 9,144,723.90 : x
  2. Step 2: Convert to fraction form
    10,121,000.70/15,181,501.05 = 9,144,723.90/x
  3. Step 3: Cross multiply
    10,121,000.70x = 15,181,501.05 × 9,144,723.90
  4. Step 4: Simplify right side
    10,121,000.70x = 138,830,635,489,810.11
  5. Step 5: Solve for x
    x = 138,830,635,489,810.11/10,121,000.70
  6. Step 6: Final answer
    x = 13,717,085.85

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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.