Home / 18,477,785.27-25,499,508.86-10,218,403.25

Finding the Fourth Proportional to 18,477,785.27, 25,499,508.86 and 10,218,403.25

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Solution

The fourth proportional to 18,477,785.27, 25,499,508.86 and 10,218,403.25 is: 14,101,487.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477,785.27 : 25,499,508.86 = 10,218,403.25 : x
  2. Step 2: Convert to fraction form
    18,477,785.27/25,499,508.86 = 10,218,403.25/x
  3. Step 3: Cross multiply
    18,477,785.27x = 25,499,508.86 × 10,218,403.25
  4. Step 4: Simplify right side
    18,477,785.27x = 260,564,264,288,160.88
  5. Step 5: Solve for x
    x = 260,564,264,288,160.88/18,477,785.27
  6. Step 6: Final answer
    x = 14,101,487.84

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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.