Home / 13,049,105.80-18,000,503.22-12,125,394.76

Finding the Fourth Proportional to 13,049,105.80, 18,000,503.22 and 12,125,394.76

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Solution

The fourth proportional to 13,049,105.80, 18,000,503.22 and 12,125,394.76 is: 16,726,296.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,105.80 : 18,000,503.22 = 12,125,394.76 : x
  2. Step 2: Convert to fraction form
    13,049,105.80/18,000,503.22 = 12,125,394.76/x
  3. Step 3: Cross multiply
    13,049,105.80x = 18,000,503.22 × 12,125,394.76
  4. Step 4: Simplify right side
    13,049,105.80x = 218,263,207,421,151.09
  5. Step 5: Solve for x
    x = 218,263,207,421,151.09/13,049,105.80
  6. Step 6: Final answer
    x = 16,726,296.10

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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.