Home / 11,145,338.40-16,702,261.20-6,872,815.20

Finding the Fourth Proportional to 11,145,338.40, 16,702,261.20 and 6,872,815.20

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Solution

The fourth proportional to 11,145,338.40, 16,702,261.20 and 6,872,815.20 is: 10,299,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145,338.40 : 16,702,261.20 = 6,872,815.20 : x
  2. Step 2: Convert to fraction form
    11,145,338.40/16,702,261.20 = 6,872,815.20/x
  3. Step 3: Cross multiply
    11,145,338.40x = 16,702,261.20 × 6,872,815.20
  4. Step 4: Simplify right side
    11,145,338.40x = 114,791,554,649,730.23
  5. Step 5: Solve for x
    x = 114,791,554,649,730.23/11,145,338.40
  6. Step 6: Final answer
    x = 10,299,512.72

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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.