Home / 18,735,465.50-25,847,025.35-12,542,507.49

Finding the Fourth Proportional to 18,735,465.50, 25,847,025.35 and 12,542,507.49

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Solution

The fourth proportional to 18,735,465.50, 25,847,025.35 and 12,542,507.49 is: 17,303,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735,465.50 : 25,847,025.35 = 12,542,507.49 : x
  2. Step 2: Convert to fraction form
    18,735,465.50/25,847,025.35 = 12,542,507.49/x
  3. Step 3: Cross multiply
    18,735,465.50x = 25,847,025.35 × 12,542,507.49
  4. Step 4: Simplify right side
    18,735,465.50x = 324,186,508,983,882.31
  5. Step 5: Solve for x
    x = 324,186,508,983,882.31/18,735,465.50
  6. Step 6: Final answer
    x = 17,303,360.25

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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.