Home / 12,302,438.76-18,454,170.87-4,220,973.18

Finding the Fourth Proportional to 12,302,438.76, 18,454,170.87 and 4,220,973.18

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Solution

The fourth proportional to 12,302,438.76, 18,454,170.87 and 4,220,973.18 is: 6,331,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,438.76 : 18,454,170.87 = 4,220,973.18 : x
  2. Step 2: Convert to fraction form
    12,302,438.76/18,454,170.87 = 4,220,973.18/x
  3. Step 3: Cross multiply
    12,302,438.76x = 18,454,170.87 × 4,220,973.18
  4. Step 4: Simplify right side
    12,302,438.76x = 77,894,560,301,407.27
  5. Step 5: Solve for x
    x = 77,894,560,301,407.27/12,302,438.76
  6. Step 6: Final answer
    x = 6,331,635.69

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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.