Home / 40,904,975.70-61,357,463.55-19,381,615.20

Finding the Fourth Proportional to 40,904,975.70, 61,357,463.55 and 19,381,615.20

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Solution

The fourth proportional to 40,904,975.70, 61,357,463.55 and 19,381,615.20 is: 29,072,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904,975.70 : 61,357,463.55 = 19,381,615.20 : x
  2. Step 2: Convert to fraction form
    40,904,975.70/61,357,463.55 = 19,381,615.20/x
  3. Step 3: Cross multiply
    40,904,975.70x = 61,357,463.55 × 19,381,615.20
  4. Step 4: Simplify right side
    40,904,975.70x = 1,189,206,748,174,125.75
  5. Step 5: Solve for x
    x = 1,189,206,748,174,125.75/40,904,975.70
  6. Step 6: Final answer
    x = 29,072,422.80

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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.