Home / 15,032,924.73-20,745,491.18-8,157,406.59

Finding the Fourth Proportional to 15,032,924.73, 20,745,491.18 and 8,157,406.59

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Solution

The fourth proportional to 15,032,924.73, 20,745,491.18 and 8,157,406.59 is: 11,257,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,032,924.73 : 20,745,491.18 = 8,157,406.59 : x
  2. Step 2: Convert to fraction form
    15,032,924.73/20,745,491.18 = 8,157,406.59/x
  3. Step 3: Cross multiply
    15,032,924.73x = 20,745,491.18 × 8,157,406.59
  4. Step 4: Simplify right side
    15,032,924.73x = 169,229,406,423,731.84
  5. Step 5: Solve for x
    x = 169,229,406,423,731.84/15,032,924.73
  6. Step 6: Final answer
    x = 11,257,250.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.