Home / 13,786,900.30-20,680,350.45-8,685,066.70

Finding the Fourth Proportional to 13,786,900.30, 20,680,350.45 and 8,685,066.70

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Solution

The fourth proportional to 13,786,900.30, 20,680,350.45 and 8,685,066.70 is: 13,027,600.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,900.30 : 20,680,350.45 = 8,685,066.70 : x
  2. Step 2: Convert to fraction form
    13,786,900.30/20,680,350.45 = 8,685,066.70/x
  3. Step 3: Cross multiply
    13,786,900.30x = 20,680,350.45 × 8,685,066.70
  4. Step 4: Simplify right side
    13,786,900.30x = 179,610,223,037,625
  5. Step 5: Solve for x
    x = 179,610,223,037,625/13,786,900.30
  6. Step 6: Final answer
    x = 13,027,600.05

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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.