Home / 42,704,022.66-64,042,785.62-15,406,766.80

Finding the Fourth Proportional to 42,704,022.66, 64,042,785.62 and 15,406,766.80

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Solution

The fourth proportional to 42,704,022.66, 64,042,785.62 and 15,406,766.80 is: 23,105,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,704,022.66 : 64,042,785.62 = 15,406,766.80 : x
  2. Step 2: Convert to fraction form
    42,704,022.66/64,042,785.62 = 15,406,766.80/x
  3. Step 3: Cross multiply
    42,704,022.66x = 64,042,785.62 × 15,406,766.80
  4. Step 4: Simplify right side
    42,704,022.66x = 986,692,263,177,031
  5. Step 5: Solve for x
    x = 986,692,263,177,031/42,704,022.66
  6. Step 6: Final answer
    x = 23,105,370.45

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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.