Home / 18,591,328.20-25,656,655.20-10,331,738.61

Finding the Fourth Proportional to 18,591,328.20, 25,656,655.20 and 10,331,738.61

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Solution

The fourth proportional to 18,591,328.20, 25,656,655.20 and 10,331,738.61 is: 14,258,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,328.20 : 25,656,655.20 = 10,331,738.61 : x
  2. Step 2: Convert to fraction form
    18,591,328.20/25,656,655.20 = 10,331,738.61/x
  3. Step 3: Cross multiply
    18,591,328.20x = 25,656,655.20 × 10,331,738.61
  4. Step 4: Simplify right side
    18,591,328.20x = 265,077,855,133,297.25
  5. Step 5: Solve for x
    x = 265,077,855,133,297.25/18,591,328.20
  6. Step 6: Final answer
    x = 14,258,145.10

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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.