Home / 18,145,114.90-27,217,672.35-18,019,143.70

Finding the Fourth Proportional to 18,145,114.90, 27,217,672.35 and 18,019,143.70

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Solution

The fourth proportional to 18,145,114.90, 27,217,672.35 and 18,019,143.70 is: 27,028,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,114.90 : 27,217,672.35 = 18,019,143.70 : x
  2. Step 2: Convert to fraction form
    18,145,114.90/27,217,672.35 = 18,019,143.70/x
  3. Step 3: Cross multiply
    18,145,114.90x = 27,217,672.35 × 18,019,143.70
  4. Step 4: Simplify right side
    18,145,114.90x = 490,439,149,254,166.69
  5. Step 5: Solve for x
    x = 490,439,149,254,166.69/18,145,114.90
  6. Step 6: Final answer
    x = 27,028,715.55

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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.