Home / 10,872,625.28-15,003,329.90-6,401,469.42

Finding the Fourth Proportional to 10,872,625.28, 15,003,329.90 and 6,401,469.42

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Solution

The fourth proportional to 10,872,625.28, 15,003,329.90 and 6,401,469.42 is: 8,833,502.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,625.28 : 15,003,329.90 = 6,401,469.42 : x
  2. Step 2: Convert to fraction form
    10,872,625.28/15,003,329.90 = 6,401,469.42/x
  3. Step 3: Cross multiply
    10,872,625.28x = 15,003,329.90 × 6,401,469.42
  4. Step 4: Simplify right side
    10,872,625.28x = 96,043,357,521,014.31
  5. Step 5: Solve for x
    x = 96,043,357,521,014.31/10,872,625.28
  6. Step 6: Final answer
    x = 8,833,502.04

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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.