Home / 28,090,891.38-42,136,337.17-7,896,133.38

Finding the Fourth Proportional to 28,090,891.38, 42,136,337.17 and 7,896,133.38

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Solution

The fourth proportional to 28,090,891.38, 42,136,337.17 and 7,896,133.38 is: 11,844,200.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090,891.38 : 42,136,337.17 = 7,896,133.38 : x
  2. Step 2: Convert to fraction form
    28,090,891.38/42,136,337.17 = 7,896,133.38/x
  3. Step 3: Cross multiply
    28,090,891.38x = 42,136,337.17 × 7,896,133.38
  4. Step 4: Simplify right side
    28,090,891.38x = 332,714,138,188,809.38
  5. Step 5: Solve for x
    x = 332,714,138,188,809.38/28,090,891.38
  6. Step 6: Final answer
    x = 11,844,200.09

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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.