Home / 12,129,248.69-18,183,244.20-4,561,528.85

Finding the Fourth Proportional to 12,129,248.69, 18,183,244.20 and 4,561,528.85

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Solution

The fourth proportional to 12,129,248.69, 18,183,244.20 and 4,561,528.85 is: 6,838,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,248.69 : 18,183,244.20 = 4,561,528.85 : x
  2. Step 2: Convert to fraction form
    12,129,248.69/18,183,244.20 = 4,561,528.85/x
  3. Step 3: Cross multiply
    12,129,248.69x = 18,183,244.20 × 4,561,528.85
  4. Step 4: Simplify right side
    12,129,248.69x = 82,943,392,965,060.38
  5. Step 5: Solve for x
    x = 82,943,392,965,060.38/12,129,248.69
  6. Step 6: Final answer
    x = 6,838,296.01

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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.