Home / 8,711,049.70-13,066,574.55-8,319,139.30

Finding the Fourth Proportional to 8,711,049.70, 13,066,574.55 and 8,319,139.30

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Solution

The fourth proportional to 8,711,049.70, 13,066,574.55 and 8,319,139.30 is: 12,478,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,049.70 : 13,066,574.55 = 8,319,139.30 : x
  2. Step 2: Convert to fraction form
    8,711,049.70/13,066,574.55 = 8,319,139.30/x
  3. Step 3: Cross multiply
    8,711,049.70x = 13,066,574.55 × 8,319,139.30
  4. Step 4: Simplify right side
    8,711,049.70x = 108,702,653,855,284.81
  5. Step 5: Solve for x
    x = 108,702,653,855,284.81/8,711,049.70
  6. Step 6: Final answer
    x = 12,478,708.95

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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.