Home / 18,366,684.92-25,380,982.28-13,775,034.68

Finding the Fourth Proportional to 18,366,684.92, 25,380,982.28 and 13,775,034.68

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Solution

The fourth proportional to 18,366,684.92, 25,380,982.28 and 13,775,034.68 is: 19,035,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,684.92 : 25,380,982.28 = 13,775,034.68 : x
  2. Step 2: Convert to fraction form
    18,366,684.92/25,380,982.28 = 13,775,034.68/x
  3. Step 3: Cross multiply
    18,366,684.92x = 25,380,982.28 × 13,775,034.68
  4. Step 4: Simplify right side
    18,366,684.92x = 349,623,911,119,465.50
  5. Step 5: Solve for x
    x = 349,623,911,119,465.50/18,366,684.92
  6. Step 6: Final answer
    x = 19,035,765.72

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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.