Home / 38,655,123.20-57,989,683.20-19,437,516.80

Finding the Fourth Proportional to 38,655,123.20, 57,989,683.20 and 19,437,516.80

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Solution

The fourth proportional to 38,655,123.20, 57,989,683.20 and 19,437,516.80 is: 29,159,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,655,123.20 : 57,989,683.20 = 19,437,516.80 : x
  2. Step 2: Convert to fraction form
    38,655,123.20/57,989,683.20 = 19,437,516.80/x
  3. Step 3: Cross multiply
    38,655,123.20x = 57,989,683.20 × 19,437,516.80
  4. Step 4: Simplify right side
    38,655,123.20x = 1,127,175,441,426,677.75
  5. Step 5: Solve for x
    x = 1,127,175,441,426,677.75/38,655,123.20
  6. Step 6: Final answer
    x = 29,159,794.31

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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.