Home / 8,319,266.20-12,478,899.30-4,732,039.45

Finding the Fourth Proportional to 8,319,266.20, 12,478,899.30 and 4,732,039.45

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Solution

The fourth proportional to 8,319,266.20, 12,478,899.30 and 4,732,039.45 is: 7,098,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319,266.20 : 12,478,899.30 = 4,732,039.45 : x
  2. Step 2: Convert to fraction form
    8,319,266.20/12,478,899.30 = 4,732,039.45/x
  3. Step 3: Cross multiply
    8,319,266.20x = 12,478,899.30 × 4,732,039.45
  4. Step 4: Simplify right side
    8,319,266.20x = 59,050,643,780,177.39
  5. Step 5: Solve for x
    x = 59,050,643,780,177.39/8,319,266.20
  6. Step 6: Final answer
    x = 7,098,059.18

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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.