Home / 16,388,436.80-24,582,655.20-7,885,380.80

Finding the Fourth Proportional to 16,388,436.80, 24,582,655.20 and 7,885,380.80

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Solution

The fourth proportional to 16,388,436.80, 24,582,655.20 and 7,885,380.80 is: 11,828,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388,436.80 : 24,582,655.20 = 7,885,380.80 : x
  2. Step 2: Convert to fraction form
    16,388,436.80/24,582,655.20 = 7,885,380.80/x
  3. Step 3: Cross multiply
    16,388,436.80x = 24,582,655.20 × 7,885,380.80
  4. Step 4: Simplify right side
    16,388,436.80x = 193,843,597,327,100.16
  5. Step 5: Solve for x
    x = 193,843,597,327,100.16/16,388,436.80
  6. Step 6: Final answer
    x = 11,828,071.20

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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.