Home / 8,639,703-12,961,654.02-2,656,071

Finding the Fourth Proportional to 8,639,703, 12,961,654.02 and 2,656,071

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Solution

The fourth proportional to 8,639,703, 12,961,654.02 and 2,656,071 is: 3,984,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639,703 : 12,961,654.02 = 2,656,071 : x
  2. Step 2: Convert to fraction form
    8,639,703/12,961,654.02 = 2,656,071/x
  3. Step 3: Cross multiply
    8,639,703x = 12,961,654.02 × 2,656,071
  4. Step 4: Simplify right side
    8,639,703x = 34,427,073,354,555.42
  5. Step 5: Solve for x
    x = 34,427,073,354,555.42/8,639,703
  6. Step 6: Final answer
    x = 3,984,751.95

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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.