Home / 20,487,731.04-30,707,179.92-9,543,235.68

Finding the Fourth Proportional to 20,487,731.04, 30,707,179.92 and 9,543,235.68

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Solution

The fourth proportional to 20,487,731.04, 30,707,179.92 and 9,543,235.68 is: 14,303,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,731.04 : 30,707,179.92 = 9,543,235.68 : x
  2. Step 2: Convert to fraction form
    20,487,731.04/30,707,179.92 = 9,543,235.68/x
  3. Step 3: Cross multiply
    20,487,731.04x = 30,707,179.92 × 9,543,235.68
  4. Step 4: Simplify right side
    20,487,731.04x = 293,045,855,044,723.56
  5. Step 5: Solve for x
    x = 293,045,855,044,723.56/20,487,731.04
  6. Step 6: Final answer
    x = 14,303,480.19

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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.