Home / 38,678,996.76-57,998,529.09-11,381,741.88

Finding the Fourth Proportional to 38,678,996.76, 57,998,529.09 and 11,381,741.88

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Solution

The fourth proportional to 38,678,996.76, 57,998,529.09 and 11,381,741.88 is: 17,066,737.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,678,996.76 : 57,998,529.09 = 11,381,741.88 : x
  2. Step 2: Convert to fraction form
    38,678,996.76/57,998,529.09 = 11,381,741.88/x
  3. Step 3: Cross multiply
    38,678,996.76x = 57,998,529.09 × 11,381,741.88
  4. Step 4: Simplify right side
    38,678,996.76x = 660,124,287,522,051.38
  5. Step 5: Solve for x
    x = 660,124,287,522,051.38/38,678,996.76
  6. Step 6: Final answer
    x = 17,066,737.58

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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.