Home / 12,884,882.50-17,780,684.61-7,083,622.18

Finding the Fourth Proportional to 12,884,882.50, 17,780,684.61 and 7,083,622.18

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Solution

The fourth proportional to 12,884,882.50, 17,780,684.61 and 7,083,622.18 is: 9,775,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884,882.50 : 17,780,684.61 = 7,083,622.18 : x
  2. Step 2: Convert to fraction form
    12,884,882.50/17,780,684.61 = 7,083,622.18/x
  3. Step 3: Cross multiply
    12,884,882.50x = 17,780,684.61 × 7,083,622.18
  4. Step 4: Simplify right side
    12,884,882.50x = 125,951,651,878,980.64
  5. Step 5: Solve for x
    x = 125,951,651,878,980.64/12,884,882.50
  6. Step 6: Final answer
    x = 9,775,149.43

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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.