Home / 12,393,114.80-18,589,672.20-10,479,927.20

Finding the Fourth Proportional to 12,393,114.80, 18,589,672.20 and 10,479,927.20

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Solution

The fourth proportional to 12,393,114.80, 18,589,672.20 and 10,479,927.20 is: 15,719,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,114.80 : 18,589,672.20 = 10,479,927.20 : x
  2. Step 2: Convert to fraction form
    12,393,114.80/18,589,672.20 = 10,479,927.20/x
  3. Step 3: Cross multiply
    12,393,114.80x = 18,589,672.20 × 10,479,927.20
  4. Step 4: Simplify right side
    12,393,114.80x = 194,818,411,327,863.81
  5. Step 5: Solve for x
    x = 194,818,411,327,863.81/12,393,114.80
  6. Step 6: Final answer
    x = 15,719,890.80

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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.