Home / 5,418,008.80-8,127,013.20-4,921,997.20

Finding the Fourth Proportional to 5,418,008.80, 8,127,013.20 and 4,921,997.20

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Solution

The fourth proportional to 5,418,008.80, 8,127,013.20 and 4,921,997.20 is: 7,382,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,008.80 : 8,127,013.20 = 4,921,997.20 : x
  2. Step 2: Convert to fraction form
    5,418,008.80/8,127,013.20 = 4,921,997.20/x
  3. Step 3: Cross multiply
    5,418,008.80x = 8,127,013.20 × 4,921,997.20
  4. Step 4: Simplify right side
    5,418,008.80x = 40,001,136,214,763.04
  5. Step 5: Solve for x
    x = 40,001,136,214,763.04/5,418,008.80
  6. Step 6: Final answer
    x = 7,382,995.80

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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.