Home / 8,191,892.21-11,309,061.08-5,984,276.15

Finding the Fourth Proportional to 8,191,892.21, 11,309,061.08 and 5,984,276.15

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Solution

The fourth proportional to 8,191,892.21, 11,309,061.08 and 5,984,276.15 is: 8,261,405.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,892.21 : 11,309,061.08 = 5,984,276.15 : x
  2. Step 2: Convert to fraction form
    8,191,892.21/11,309,061.08 = 5,984,276.15/x
  3. Step 3: Cross multiply
    8,191,892.21x = 11,309,061.08 × 5,984,276.15
  4. Step 4: Simplify right side
    8,191,892.21x = 67,676,544,543,170.58
  5. Step 5: Solve for x
    x = 67,676,544,543,170.58/8,191,892.21
  6. Step 6: Final answer
    x = 8,261,405.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.