Home / 12,454,533.10-18,689,672.85-7,336,953.10

Finding the Fourth Proportional to 12,454,533.10, 18,689,672.85 and 7,336,953.10

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Solution

The fourth proportional to 12,454,533.10, 18,689,672.85 and 7,336,953.10 is: 11,010,067.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,533.10 : 18,689,672.85 = 7,336,953.10 : x
  2. Step 2: Convert to fraction form
    12,454,533.10/18,689,672.85 = 7,336,953.10/x
  3. Step 3: Cross multiply
    12,454,533.10x = 18,689,672.85 × 7,336,953.10
  4. Step 4: Simplify right side
    12,454,533.10x = 137,125,253,154,793.34
  5. Step 5: Solve for x
    x = 137,125,253,154,793.34/12,454,533.10
  6. Step 6: Final answer
    x = 11,010,067.74

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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.