Home / 15,270,731,184.66-21,073,278,819.42-8,840,822,290.77

Finding the Fourth Proportional to 15,270,731,184.66, 21,073,278,819.42 and 8,840,822,290.77

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Solution

The fourth proportional to 15,270,731,184.66, 21,073,278,819.42 and 8,840,822,290.77 is: 12,200,143,586.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,731,184.66 : 21,073,278,819.42 = 8,840,822,290.77 : x
  2. Step 2: Convert to fraction form
    15,270,731,184.66/21,073,278,819.42 = 8,840,822,290.77/x
  3. Step 3: Cross multiply
    15,270,731,184.66x = 21,073,278,819.42 × 8,840,822,290.77
  4. Step 4: Simplify right side
    15,270,731,184.66x = 186,305,113,126,339,641,344
  5. Step 5: Solve for x
    x = 186,305,113,126,339,641,344/15,270,731,184.66
  6. Step 6: Final answer
    x = 12,200,143,586.67

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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.