Home / 9,661,113.80-14,491,670.70-8,931,206.60

Finding the Fourth Proportional to 9,661,113.80, 14,491,670.70 and 8,931,206.60

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Solution

The fourth proportional to 9,661,113.80, 14,491,670.70 and 8,931,206.60 is: 13,396,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,661,113.80 : 14,491,670.70 = 8,931,206.60 : x
  2. Step 2: Convert to fraction form
    9,661,113.80/14,491,670.70 = 8,931,206.60/x
  3. Step 3: Cross multiply
    9,661,113.80x = 14,491,670.70 × 8,931,206.60
  4. Step 4: Simplify right side
    9,661,113.80x = 129,428,105,000,866.61
  5. Step 5: Solve for x
    x = 129,428,105,000,866.61/9,661,113.80
  6. Step 6: Final answer
    x = 13,396,809.90

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Similar ratio
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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.