Home / 12,252,846.20-18,351,275.70-7,213,998.20

Finding the Fourth Proportional to 12,252,846.20, 18,351,275.70 and 7,213,998.20

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Solution

The fourth proportional to 12,252,846.20, 18,351,275.70 and 7,213,998.20 is: 10,804,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,846.20 : 18,351,275.70 = 7,213,998.20 : x
  2. Step 2: Convert to fraction form
    12,252,846.20/18,351,275.70 = 7,213,998.20/x
  3. Step 3: Cross multiply
    12,252,846.20x = 18,351,275.70 × 7,213,998.20
  4. Step 4: Simplify right side
    12,252,846.20x = 132,386,069,867,503.73
  5. Step 5: Solve for x
    x = 132,386,069,867,503.73/12,252,846.20
  6. Step 6: Final answer
    x = 10,804,515.76

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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.