Home / 20,415,061.30-30,622,591.95-18,183,009.10

Finding the Fourth Proportional to 20,415,061.30, 30,622,591.95 and 18,183,009.10

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Solution

The fourth proportional to 20,415,061.30, 30,622,591.95 and 18,183,009.10 is: 27,274,513.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,415,061.30 : 30,622,591.95 = 18,183,009.10 : x
  2. Step 2: Convert to fraction form
    20,415,061.30/30,622,591.95 = 18,183,009.10/x
  3. Step 3: Cross multiply
    20,415,061.30x = 30,622,591.95 × 18,183,009.10
  4. Step 4: Simplify right side
    20,415,061.30x = 556,810,868,092,436.75
  5. Step 5: Solve for x
    x = 556,810,868,092,436.75/20,415,061.30
  6. Step 6: Final answer
    x = 27,274,513.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.