Home / 18,542,645.20-25,588,809.36-10,282,503.40

Finding the Fourth Proportional to 18,542,645.20, 25,588,809.36 and 10,282,503.40

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Solution

The fourth proportional to 18,542,645.20, 25,588,809.36 and 10,282,503.40 is: 14,189,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542,645.20 : 25,588,809.36 = 10,282,503.40 : x
  2. Step 2: Convert to fraction form
    18,542,645.20/25,588,809.36 = 10,282,503.40/x
  3. Step 3: Cross multiply
    18,542,645.20x = 25,588,809.36 × 10,282,503.40
  4. Step 4: Simplify right side
    18,542,645.20x = 263,117,019,246,151.81
  5. Step 5: Solve for x
    x = 263,117,019,246,151.81/18,542,645.20
  6. Step 6: Final answer
    x = 14,189,831.95

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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.