Home / 12,481,695.70-18,722,543.55-5,292,006.10

Finding the Fourth Proportional to 12,481,695.70, 18,722,543.55 and 5,292,006.10

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Solution

The fourth proportional to 12,481,695.70, 18,722,543.55 and 5,292,006.10 is: 7,938,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,695.70 : 18,722,543.55 = 5,292,006.10 : x
  2. Step 2: Convert to fraction form
    12,481,695.70/18,722,543.55 = 5,292,006.10/x
  3. Step 3: Cross multiply
    12,481,695.70x = 18,722,543.55 × 5,292,006.10
  4. Step 4: Simplify right side
    12,481,695.70x = 99,079,814,674,115.66
  5. Step 5: Solve for x
    x = 99,079,814,674,115.66/12,481,695.70
  6. Step 6: Final answer
    x = 7,938,009.15

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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.