Home / 8,806,720.40-12,148,112.76-5,538,350.96

Finding the Fourth Proportional to 8,806,720.40, 12,148,112.76 and 5,538,350.96

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Solution

The fourth proportional to 8,806,720.40, 12,148,112.76 and 5,538,350.96 is: 7,639,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,720.40 : 12,148,112.76 = 5,538,350.96 : x
  2. Step 2: Convert to fraction form
    8,806,720.40/12,148,112.76 = 5,538,350.96/x
  3. Step 3: Cross multiply
    8,806,720.40x = 12,148,112.76 × 5,538,350.96
  4. Step 4: Simplify right side
    8,806,720.40x = 67,280,511,966,534.25
  5. Step 5: Solve for x
    x = 67,280,511,966,534.25/8,806,720.40
  6. Step 6: Final answer
    x = 7,639,678.44

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1.5x scale

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.