Home / 19,423,399.20-29,135,098.80-6,644,320.80

Finding the Fourth Proportional to 19,423,399.20, 29,135,098.80 and 6,644,320.80

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Solution

The fourth proportional to 19,423,399.20, 29,135,098.80 and 6,644,320.80 is: 9,966,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423,399.20 : 29,135,098.80 = 6,644,320.80 : x
  2. Step 2: Convert to fraction form
    19,423,399.20/29,135,098.80 = 6,644,320.80/x
  3. Step 3: Cross multiply
    19,423,399.20x = 29,135,098.80 × 6,644,320.80
  4. Step 4: Simplify right side
    19,423,399.20x = 193,582,942,966,895.03
  5. Step 5: Solve for x
    x = 193,582,942,966,895.03/19,423,399.20
  6. Step 6: Final answer
    x = 9,966,481.20

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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.