Home / 8,919,654.39-12,309,461.42-4,999,482.97

Finding the Fourth Proportional to 8,919,654.39, 12,309,461.42 and 4,999,482.97

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Solution

The fourth proportional to 8,919,654.39, 12,309,461.42 and 4,999,482.97 is: 6,899,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919,654.39 : 12,309,461.42 = 4,999,482.97 : x
  2. Step 2: Convert to fraction form
    8,919,654.39/12,309,461.42 = 4,999,482.97/x
  3. Step 3: Cross multiply
    8,919,654.39x = 12,309,461.42 × 4,999,482.97
  4. Step 4: Simplify right side
    8,919,654.39x = 61,540,942,729,551.43
  5. Step 5: Solve for x
    x = 61,540,942,729,551.43/8,919,654.39
  6. Step 6: Final answer
    x = 6,899,476.15

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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.