Home / 11,862,189.02-17,786,885.44-5,381,728.20

Finding the Fourth Proportional to 11,862,189.02, 17,786,885.44 and 5,381,728.20

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Solution

The fourth proportional to 11,862,189.02, 17,786,885.44 and 5,381,728.20 is: 8,069,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862,189.02 : 17,786,885.44 = 5,381,728.20 : x
  2. Step 2: Convert to fraction form
    11,862,189.02/17,786,885.44 = 5,381,728.20/x
  3. Step 3: Cross multiply
    11,862,189.02x = 17,786,885.44 × 5,381,728.20
  4. Step 4: Simplify right side
    11,862,189.02x = 95,724,182,962,617.42
  5. Step 5: Solve for x
    x = 95,724,182,962,617.42/11,862,189.02
  6. Step 6: Final answer
    x = 8,069,689.57

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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.