Home / 11,198,603.40-15,445,821.92-8,445,406.87

Finding the Fourth Proportional to 11,198,603.40, 15,445,821.92 and 8,445,406.87

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Solution

The fourth proportional to 11,198,603.40, 15,445,821.92 and 8,445,406.87 is: 11,648,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198,603.40 : 15,445,821.92 = 8,445,406.87 : x
  2. Step 2: Convert to fraction form
    11,198,603.40/15,445,821.92 = 8,445,406.87/x
  3. Step 3: Cross multiply
    11,198,603.40x = 15,445,821.92 × 8,445,406.87
  4. Step 4: Simplify right side
    11,198,603.40x = 130,446,250,555,964.58
  5. Step 5: Solve for x
    x = 130,446,250,555,964.58/11,198,603.40
  6. Step 6: Final answer
    x = 11,648,439.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.