Home / 12,442,557.54-18,657,082.52-5,611,137.72

Finding the Fourth Proportional to 12,442,557.54, 18,657,082.52 and 5,611,137.72

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Solution

The fourth proportional to 12,442,557.54, 18,657,082.52 and 5,611,137.72 is: 8,413,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442,557.54 : 18,657,082.52 = 5,611,137.72 : x
  2. Step 2: Convert to fraction form
    12,442,557.54/18,657,082.52 = 5,611,137.72/x
  3. Step 3: Cross multiply
    12,442,557.54x = 18,657,082.52 × 5,611,137.72
  4. Step 4: Simplify right side
    12,442,557.54x = 104,687,459,473,124.64
  5. Step 5: Solve for x
    x = 104,687,459,473,124.64/12,442,557.54
  6. Step 6: Final answer
    x = 8,413,660.87

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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.