Home / 20,740,951.67-31,101,471.38-9,802,023.98

Finding the Fourth Proportional to 20,740,951.67, 31,101,471.38 and 9,802,023.98

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Solution

The fourth proportional to 20,740,951.67, 31,101,471.38 and 9,802,023.98 is: 14,698,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740,951.67 : 31,101,471.38 = 9,802,023.98 : x
  2. Step 2: Convert to fraction form
    20,740,951.67/31,101,471.38 = 9,802,023.98/x
  3. Step 3: Cross multiply
    20,740,951.67x = 31,101,471.38 × 9,802,023.98
  4. Step 4: Simplify right side
    20,740,951.67x = 304,857,368,149,041.38
  5. Step 5: Solve for x
    x = 304,857,368,149,041.38/20,740,951.67
  6. Step 6: Final answer
    x = 14,698,330.77

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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.