Home / 18,126,402.03-25,011,507.92-10,390,020.75

Finding the Fourth Proportional to 18,126,402.03, 25,011,507.92 and 10,390,020.75

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Solution

The fourth proportional to 18,126,402.03, 25,011,507.92 and 10,390,020.75 is: 14,336,550.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,402.03 : 25,011,507.92 = 10,390,020.75 : x
  2. Step 2: Convert to fraction form
    18,126,402.03/25,011,507.92 = 10,390,020.75/x
  3. Step 3: Cross multiply
    18,126,402.03x = 25,011,507.92 × 10,390,020.75
  4. Step 4: Simplify right side
    18,126,402.03x = 259,870,086,225,639.22
  5. Step 5: Solve for x
    x = 259,870,086,225,639.22/18,126,402.03
  6. Step 6: Final answer
    x = 14,336,550.95

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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.