Home / 12,454,532.60-18,689,672.10-7,336,952.60

Finding the Fourth Proportional to 12,454,532.60, 18,689,672.10 and 7,336,952.60

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Solution

The fourth proportional to 12,454,532.60, 18,689,672.10 and 7,336,952.60 is: 11,010,066.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,532.60 : 18,689,672.10 = 7,336,952.60 : x
  2. Step 2: Convert to fraction form
    12,454,532.60/18,689,672.10 = 7,336,952.60/x
  3. Step 3: Cross multiply
    12,454,532.60x = 18,689,672.10 × 7,336,952.60
  4. Step 4: Simplify right side
    12,454,532.60x = 137,125,238,307,242.47
  5. Step 5: Solve for x
    x = 137,125,238,307,242.47/12,454,532.60
  6. Step 6: Final answer
    x = 11,010,066.99

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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.