Home / 12,955,813.20-19,442,014.20-7,564,453.20

Finding the Fourth Proportional to 12,955,813.20, 19,442,014.20 and 7,564,453.20

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Solution

The fourth proportional to 12,955,813.20, 19,442,014.20 and 7,564,453.20 is: 11,351,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955,813.20 : 19,442,014.20 = 7,564,453.20 : x
  2. Step 2: Convert to fraction form
    12,955,813.20/19,442,014.20 = 7,564,453.20/x
  3. Step 3: Cross multiply
    12,955,813.20x = 19,442,014.20 × 7,564,453.20
  4. Step 4: Simplify right side
    12,955,813.20x = 147,068,206,529,635.44
  5. Step 5: Solve for x
    x = 147,068,206,529,635.44/12,955,813.20
  6. Step 6: Final answer
    x = 11,351,522.61

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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.