Home / 10,269,787.20-14,172,749.12-5,686,108.48

Finding the Fourth Proportional to 10,269,787.20, 14,172,749.12 and 5,686,108.48

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Solution

The fourth proportional to 10,269,787.20, 14,172,749.12 and 5,686,108.48 is: 7,847,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,787.20 : 14,172,749.12 = 5,686,108.48 : x
  2. Step 2: Convert to fraction form
    10,269,787.20/14,172,749.12 = 5,686,108.48/x
  3. Step 3: Cross multiply
    10,269,787.20x = 14,172,749.12 × 5,686,108.48
  4. Step 4: Simplify right side
    10,269,787.20x = 80,587,788,956,144.55
  5. Step 5: Solve for x
    x = 80,587,788,956,144.55/10,269,787.20
  6. Step 6: Final answer
    x = 7,847,074.86

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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.