Home / 16,782,016.16-25,142,542.32-7,691,677.76

Finding the Fourth Proportional to 16,782,016.16, 25,142,542.32 and 7,691,677.76

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Solution

The fourth proportional to 16,782,016.16, 25,142,542.32 and 7,691,677.76 is: 11,523,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782,016.16 : 25,142,542.32 = 7,691,677.76 : x
  2. Step 2: Convert to fraction form
    16,782,016.16/25,142,542.32 = 7,691,677.76/x
  3. Step 3: Cross multiply
    16,782,016.16x = 25,142,542.32 × 7,691,677.76
  4. Step 4: Simplify right side
    16,782,016.16x = 193,388,333,592,602.81
  5. Step 5: Solve for x
    x = 193,388,333,592,602.81/16,782,016.16
  6. Step 6: Final answer
    x = 11,523,545.90

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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.