Home / 54,824,237.12-82,236,545.40-13,883,665.28

Finding the Fourth Proportional to 54,824,237.12, 82,236,545.40 and 13,883,665.28

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Solution

The fourth proportional to 54,824,237.12, 82,236,545.40 and 13,883,665.28 is: 20,825,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,824,237.12 : 82,236,545.40 = 13,883,665.28 : x
  2. Step 2: Convert to fraction form
    54,824,237.12/82,236,545.40 = 13,883,665.28/x
  3. Step 3: Cross multiply
    54,824,237.12x = 82,236,545.40 × 13,883,665.28
  4. Step 4: Simplify right side
    54,824,237.12x = 1,141,744,670,117,123.75
  5. Step 5: Solve for x
    x = 1,141,744,670,117,123.75/54,824,237.12
  6. Step 6: Final answer
    x = 20,825,545.96

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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.