Home / 42,646,543.20-63,969,814.80-15,357,047.85

Finding the Fourth Proportional to 42,646,543.20, 63,969,814.80 and 15,357,047.85

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Solution

The fourth proportional to 42,646,543.20, 63,969,814.80 and 15,357,047.85 is: 23,035,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,543.20 : 63,969,814.80 = 15,357,047.85 : x
  2. Step 2: Convert to fraction form
    42,646,543.20/63,969,814.80 = 15,357,047.85/x
  3. Step 3: Cross multiply
    42,646,543.20x = 63,969,814.80 × 15,357,047.85
  4. Step 4: Simplify right side
    42,646,543.20x = 982,387,506,839,238.12
  5. Step 5: Solve for x
    x = 982,387,506,839,238.12/42,646,543.20
  6. Step 6: Final answer
    x = 23,035,571.78

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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.