Home / 12,302,447.76-18,454,184.40-4,220,982.18

Finding the Fourth Proportional to 12,302,447.76, 18,454,184.40 and 4,220,982.18

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Solution

The fourth proportional to 12,302,447.76, 18,454,184.40 and 4,220,982.18 is: 6,331,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,447.76 : 18,454,184.40 = 4,220,982.18 : x
  2. Step 2: Convert to fraction form
    12,302,447.76/18,454,184.40 = 4,220,982.18/x
  3. Step 3: Cross multiply
    12,302,447.76x = 18,454,184.40 × 4,220,982.18
  4. Step 4: Simplify right side
    12,302,447.76x = 77,894,783,498,833.98
  5. Step 5: Solve for x
    x = 77,894,783,498,833.98/12,302,447.76
  6. Step 6: Final answer
    x = 6,331,649.20

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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.