Home / 10,872,298.91-15,003,869.56-5,910,750.43

Finding the Fourth Proportional to 10,872,298.91, 15,003,869.56 and 5,910,750.43

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Solution

The fourth proportional to 10,872,298.91, 15,003,869.56 and 5,910,750.43 is: 8,156,888.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,298.91 : 15,003,869.56 = 5,910,750.43 : x
  2. Step 2: Convert to fraction form
    10,872,298.91/15,003,869.56 = 5,910,750.43/x
  3. Step 3: Cross multiply
    10,872,298.91x = 15,003,869.56 × 5,910,750.43
  4. Step 4: Simplify right side
    10,872,298.91x = 88,684,128,401,147.36
  5. Step 5: Solve for x
    x = 88,684,128,401,147.36/10,872,298.91
  6. Step 6: Final answer
    x = 8,156,888.36

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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.