Home / 38,363,487.40-57,450,752.70-18,145,109.80

Finding the Fourth Proportional to 38,363,487.40, 57,450,752.70 and 18,145,109.80

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Solution

The fourth proportional to 38,363,487.40, 57,450,752.70 and 18,145,109.80 is: 27,172,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,363,487.40 : 57,450,752.70 = 18,145,109.80 : x
  2. Step 2: Convert to fraction form
    38,363,487.40/57,450,752.70 = 18,145,109.80/x
  3. Step 3: Cross multiply
    38,363,487.40x = 57,450,752.70 × 18,145,109.80
  4. Step 4: Simplify right side
    38,363,487.40x = 1,042,450,215,834,146.50
  5. Step 5: Solve for x
    x = 1,042,450,215,834,146.50/38,363,487.40
  6. Step 6: Final answer
    x = 27,172,978.44

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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.