Home / 18,188,545.32-25,098,406.20-10,039,258.44

Finding the Fourth Proportional to 18,188,545.32, 25,098,406.20 and 10,039,258.44

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Solution

The fourth proportional to 18,188,545.32, 25,098,406.20 and 10,039,258.44 is: 13,853,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188,545.32 : 25,098,406.20 = 10,039,258.44 : x
  2. Step 2: Convert to fraction form
    18,188,545.32/25,098,406.20 = 10,039,258.44/x
  3. Step 3: Cross multiply
    18,188,545.32x = 25,098,406.20 × 10,039,258.44
  4. Step 4: Simplify right side
    18,188,545.32x = 251,969,386,273,898.31
  5. Step 5: Solve for x
    x = 251,969,386,273,898.31/18,188,545.32
  6. Step 6: Final answer
    x = 13,853,190.67

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1.5x scale

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.