Home / 20,691,061.48-31,036,592.70-6,314,204.44

Finding the Fourth Proportional to 20,691,061.48, 31,036,592.70 and 6,314,204.44

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Solution

The fourth proportional to 20,691,061.48, 31,036,592.70 and 6,314,204.44 is: 9,471,306.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,061.48 : 31,036,592.70 = 6,314,204.44 : x
  2. Step 2: Convert to fraction form
    20,691,061.48/31,036,592.70 = 6,314,204.44/x
  3. Step 3: Cross multiply
    20,691,061.48x = 31,036,592.70 × 6,314,204.44
  4. Step 4: Simplify right side
    20,691,061.48x = 195,971,391,428,811.59
  5. Step 5: Solve for x
    x = 195,971,391,428,811.59/20,691,061.48
  6. Step 6: Final answer
    x = 9,471,306.81

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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.