Home / 38,074,810.40-57,144,874.80-15,372,000.80

Finding the Fourth Proportional to 38,074,810.40, 57,144,874.80 and 15,372,000.80

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Solution

The fourth proportional to 38,074,810.40, 57,144,874.80 and 15,372,000.80 is: 23,071,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074,810.40 : 57,144,874.80 = 15,372,000.80 : x
  2. Step 2: Convert to fraction form
    38,074,810.40/57,144,874.80 = 15,372,000.80/x
  3. Step 3: Cross multiply
    38,074,810.40x = 57,144,874.80 × 15,372,000.80
  4. Step 4: Simplify right side
    38,074,810.40x = 878,431,061,141,499.88
  5. Step 5: Solve for x
    x = 878,431,061,141,499.88/38,074,810.40
  6. Step 6: Final answer
    x = 23,071,186.75

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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.