Home / 12,471,487.77-18,717,307.34-5,288,065.75

Finding the Fourth Proportional to 12,471,487.77, 18,717,307.34 and 5,288,065.75

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Solution

The fourth proportional to 12,471,487.77, 18,717,307.34 and 5,288,065.75 is: 7,936,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471,487.77 : 18,717,307.34 = 5,288,065.75 : x
  2. Step 2: Convert to fraction form
    12,471,487.77/18,717,307.34 = 5,288,065.75/x
  3. Step 3: Cross multiply
    12,471,487.77x = 18,717,307.34 × 5,288,065.75
  4. Step 4: Simplify right side
    12,471,487.77x = 98,978,351,876,877.61
  5. Step 5: Solve for x
    x = 98,978,351,876,877.61/12,471,487.77
  6. Step 6: Final answer
    x = 7,936,370.84

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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.