Home / 12,123,049.70-18,184,574.55-3,147,601.70

Finding the Fourth Proportional to 12,123,049.70, 18,184,574.55 and 3,147,601.70

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Solution

The fourth proportional to 12,123,049.70, 18,184,574.55 and 3,147,601.70 is: 4,721,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,123,049.70 : 18,184,574.55 = 3,147,601.70 : x
  2. Step 2: Convert to fraction form
    12,123,049.70/18,184,574.55 = 3,147,601.70/x
  3. Step 3: Cross multiply
    12,123,049.70x = 18,184,574.55 × 3,147,601.70
  4. Step 4: Simplify right side
    12,123,049.70x = 57,237,797,767,356.74
  5. Step 5: Solve for x
    x = 57,237,797,767,356.74/12,123,049.70
  6. Step 6: Final answer
    x = 4,721,402.55

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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.