Home / 10,507,739.61-15,766,161.12-5,644,371.36

Finding the Fourth Proportional to 10,507,739.61, 15,766,161.12 and 5,644,371.36

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Solution

The fourth proportional to 10,507,739.61, 15,766,161.12 and 5,644,371.36 is: 8,469,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,507,739.61 : 15,766,161.12 = 5,644,371.36 : x
  2. Step 2: Convert to fraction form
    10,507,739.61/15,766,161.12 = 5,644,371.36/x
  3. Step 3: Cross multiply
    10,507,739.61x = 15,766,161.12 × 5,644,371.36
  4. Step 4: Simplify right side
    10,507,739.61x = 88,990,068,282,873.53
  5. Step 5: Solve for x
    x = 88,990,068,282,873.53/10,507,739.61
  6. Step 6: Final answer
    x = 8,469,002.05

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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.