Home / 15,877,430.80-23,780,716.80-12,271,505.20

Finding the Fourth Proportional to 15,877,430.80, 23,780,716.80 and 12,271,505.20

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Solution

The fourth proportional to 15,877,430.80, 23,780,716.80 and 12,271,505.20 is: 18,379,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877,430.80 : 23,780,716.80 = 12,271,505.20 : x
  2. Step 2: Convert to fraction form
    15,877,430.80/23,780,716.80 = 12,271,505.20/x
  3. Step 3: Cross multiply
    15,877,430.80x = 23,780,716.80 × 12,271,505.20
  4. Step 4: Simplify right side
    15,877,430.80x = 291,825,189,870,927.38
  5. Step 5: Solve for x
    x = 291,825,189,870,927.38/15,877,430.80
  6. Step 6: Final answer
    x = 18,379,874.78

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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.