Home / 12,481,403.40-18,722,105.10-5,762,939.40

Finding the Fourth Proportional to 12,481,403.40, 18,722,105.10 and 5,762,939.40

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Solution

The fourth proportional to 12,481,403.40, 18,722,105.10 and 5,762,939.40 is: 8,644,409.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,403.40 : 18,722,105.10 = 5,762,939.40 : x
  2. Step 2: Convert to fraction form
    12,481,403.40/18,722,105.10 = 5,762,939.40/x
  3. Step 3: Cross multiply
    12,481,403.40x = 18,722,105.10 × 5,762,939.40
  4. Step 4: Simplify right side
    12,481,403.40x = 107,894,357,131,730.95
  5. Step 5: Solve for x
    x = 107,894,357,131,730.95/12,481,403.40
  6. Step 6: Final answer
    x = 8,644,409.10

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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.