Home / 12,262,480.30-18,377,974.05-9,408,445.30

Finding the Fourth Proportional to 12,262,480.30, 18,377,974.05 and 9,408,445.30

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Solution

The fourth proportional to 12,262,480.30, 18,377,974.05 and 9,408,445.30 is: 14,100,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262,480.30 : 18,377,974.05 = 9,408,445.30 : x
  2. Step 2: Convert to fraction form
    12,262,480.30/18,377,974.05 = 9,408,445.30/x
  3. Step 3: Cross multiply
    12,262,480.30x = 18,377,974.05 × 9,408,445.30
  4. Step 4: Simplify right side
    12,262,480.30x = 172,908,163,574,244.50
  5. Step 5: Solve for x
    x = 172,908,163,574,244.50/12,262,480.30
  6. Step 6: Final answer
    x = 14,100,586.45

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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.