Home / 28,198,601.60-42,298,822.08-13,423,491.20

Finding the Fourth Proportional to 28,198,601.60, 42,298,822.08 and 13,423,491.20

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Solution

The fourth proportional to 28,198,601.60, 42,298,822.08 and 13,423,491.20 is: 20,135,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198,601.60 : 42,298,822.08 = 13,423,491.20 : x
  2. Step 2: Convert to fraction form
    28,198,601.60/42,298,822.08 = 13,423,491.20/x
  3. Step 3: Cross multiply
    28,198,601.60x = 42,298,822.08 × 13,423,491.20
  4. Step 4: Simplify right side
    28,198,601.60x = 567,797,865,961,245.62
  5. Step 5: Solve for x
    x = 567,797,865,961,245.62/28,198,601.60
  6. Step 6: Final answer
    x = 20,135,674.60

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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.