Home / 10,863,604.40-16,295,406.60-9,109,849.10

Finding the Fourth Proportional to 10,863,604.40, 16,295,406.60 and 9,109,849.10

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Solution

The fourth proportional to 10,863,604.40, 16,295,406.60 and 9,109,849.10 is: 13,664,773.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,604.40 : 16,295,406.60 = 9,109,849.10 : x
  2. Step 2: Convert to fraction form
    10,863,604.40/16,295,406.60 = 9,109,849.10/x
  3. Step 3: Cross multiply
    10,863,604.40x = 16,295,406.60 × 9,109,849.10
  4. Step 4: Simplify right side
    10,863,604.40x = 148,448,695,149,144.06
  5. Step 5: Solve for x
    x = 148,448,695,149,144.06/10,863,604.40
  6. Step 6: Final answer
    x = 13,664,773.65

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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.