Home / 8,082,601.20-12,123,901.80-7,684,020.45

Finding the Fourth Proportional to 8,082,601.20, 12,123,901.80 and 7,684,020.45

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Solution

The fourth proportional to 8,082,601.20, 12,123,901.80 and 7,684,020.45 is: 11,526,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,601.20 : 12,123,901.80 = 7,684,020.45 : x
  2. Step 2: Convert to fraction form
    8,082,601.20/12,123,901.80 = 7,684,020.45/x
  3. Step 3: Cross multiply
    8,082,601.20x = 12,123,901.80 × 7,684,020.45
  4. Step 4: Simplify right side
    8,082,601.20x = 93,160,309,364,991.81
  5. Step 5: Solve for x
    x = 93,160,309,364,991.81/8,082,601.20
  6. Step 6: Final answer
    x = 11,526,030.68

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Similar ratio
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1.5x scale

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.