Home / 14,969,206.62-20,657,384.87-8,690,316.55

Finding the Fourth Proportional to 14,969,206.62, 20,657,384.87 and 8,690,316.55

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Solution

The fourth proportional to 14,969,206.62, 20,657,384.87 and 8,690,316.55 is: 11,992,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,206.62 : 20,657,384.87 = 8,690,316.55 : x
  2. Step 2: Convert to fraction form
    14,969,206.62/20,657,384.87 = 8,690,316.55/x
  3. Step 3: Cross multiply
    14,969,206.62x = 20,657,384.87 × 8,690,316.55
  4. Step 4: Simplify right side
    14,969,206.62x = 179,519,213,668,819.41
  5. Step 5: Solve for x
    x = 179,519,213,668,819.41/14,969,206.62
  6. Step 6: Final answer
    x = 11,992,567.02

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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.