Home / 8,561,805.12-12,840,742.42-5,104,523.07

Finding the Fourth Proportional to 8,561,805.12, 12,840,742.42 and 5,104,523.07

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Solution

The fourth proportional to 8,561,805.12, 12,840,742.42 and 5,104,523.07 is: 7,655,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561,805.12 : 12,840,742.42 = 5,104,523.07 : x
  2. Step 2: Convert to fraction form
    8,561,805.12/12,840,742.42 = 5,104,523.07/x
  3. Step 3: Cross multiply
    8,561,805.12x = 12,840,742.42 × 5,104,523.07
  4. Step 4: Simplify right side
    8,561,805.12x = 65,545,865,918,817.63
  5. Step 5: Solve for x
    x = 65,545,865,918,817.63/8,561,805.12
  6. Step 6: Final answer
    x = 7,655,612.92

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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.