Home / 12,236,217.80-16,884,656.82-7,078,615.70

Finding the Fourth Proportional to 12,236,217.80, 16,884,656.82 and 7,078,615.70

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Solution

The fourth proportional to 12,236,217.80, 16,884,656.82 and 7,078,615.70 is: 9,767,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236,217.80 : 16,884,656.82 = 7,078,615.70 : x
  2. Step 2: Convert to fraction form
    12,236,217.80/16,884,656.82 = 7,078,615.70/x
  3. Step 3: Cross multiply
    12,236,217.80x = 16,884,656.82 × 7,078,615.70
  4. Step 4: Simplify right side
    12,236,217.80x = 119,519,996,770,740.80
  5. Step 5: Solve for x
    x = 119,519,996,770,740.80/12,236,217.80
  6. Step 6: Final answer
    x = 9,767,723.88

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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.