Home / 9,187,284.30-13,782,187.08-3,120,387

Finding the Fourth Proportional to 9,187,284.30, 13,782,187.08 and 3,120,387

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Solution

The fourth proportional to 9,187,284.30, 13,782,187.08 and 3,120,387 is: 4,681,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187,284.30 : 13,782,187.08 = 3,120,387 : x
  2. Step 2: Convert to fraction form
    9,187,284.30/13,782,187.08 = 3,120,387/x
  3. Step 3: Cross multiply
    9,187,284.30x = 13,782,187.08 × 3,120,387
  4. Step 4: Simplify right side
    9,187,284.30x = 43,005,757,395,999.96
  5. Step 5: Solve for x
    x = 43,005,757,395,999.96/9,187,284.30
  6. Step 6: Final answer
    x = 4,681,008.66

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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.