Home / 18,144,820.80-27,217,231.20-9,074,894.40

Finding the Fourth Proportional to 18,144,820.80, 27,217,231.20 and 9,074,894.40

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Solution

The fourth proportional to 18,144,820.80, 27,217,231.20 and 9,074,894.40 is: 13,612,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,820.80 : 27,217,231.20 = 9,074,894.40 : x
  2. Step 2: Convert to fraction form
    18,144,820.80/27,217,231.20 = 9,074,894.40/x
  3. Step 3: Cross multiply
    18,144,820.80x = 27,217,231.20 × 9,074,894.40
  4. Step 4: Simplify right side
    18,144,820.80x = 246,993,499,000,385.28
  5. Step 5: Solve for x
    x = 246,993,499,000,385.28/18,144,820.80
  6. Step 6: Final answer
    x = 13,612,341.60

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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.