Home / 18,132,748.86-25,023,807.57-9,873,131.46

Finding the Fourth Proportional to 18,132,748.86, 25,023,807.57 and 9,873,131.46

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Solution

The fourth proportional to 18,132,748.86, 25,023,807.57 and 9,873,131.46 is: 13,625,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,748.86 : 25,023,807.57 = 9,873,131.46 : x
  2. Step 2: Convert to fraction form
    18,132,748.86/25,023,807.57 = 9,873,131.46/x
  3. Step 3: Cross multiply
    18,132,748.86x = 25,023,807.57 × 9,873,131.46
  4. Step 4: Simplify right side
    18,132,748.86x = 247,063,341,768,353.19
  5. Step 5: Solve for x
    x = 247,063,341,768,353.19/18,132,748.86
  6. Step 6: Final answer
    x = 13,625,255.81

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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.