Home / 8,221,238.88-12,330,972.40-2,156,578.52

Finding the Fourth Proportional to 8,221,238.88, 12,330,972.40 and 2,156,578.52

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Solution

The fourth proportional to 8,221,238.88, 12,330,972.40 and 2,156,578.52 is: 3,234,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,238.88 : 12,330,972.40 = 2,156,578.52 : x
  2. Step 2: Convert to fraction form
    8,221,238.88/12,330,972.40 = 2,156,578.52/x
  3. Step 3: Cross multiply
    8,221,238.88x = 12,330,972.40 × 2,156,578.52
  4. Step 4: Simplify right side
    8,221,238.88x = 26,592,710,208,552.85
  5. Step 5: Solve for x
    x = 26,592,710,208,552.85/8,221,238.88
  6. Step 6: Final answer
    x = 3,234,635.39

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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.