Home / 10,119,896.64-15,165,672.93-5,320,393.92

Finding the Fourth Proportional to 10,119,896.64, 15,165,672.93 and 5,320,393.92

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Solution

The fourth proportional to 10,119,896.64, 15,165,672.93 and 5,320,393.92 is: 7,973,140.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119,896.64 : 15,165,672.93 = 5,320,393.92 : x
  2. Step 2: Convert to fraction form
    10,119,896.64/15,165,672.93 = 5,320,393.92/x
  3. Step 3: Cross multiply
    10,119,896.64x = 15,165,672.93 × 5,320,393.92
  4. Step 4: Simplify right side
    10,119,896.64x = 80,687,354,049,480.58
  5. Step 5: Solve for x
    x = 80,687,354,049,480.58/10,119,896.64
  6. Step 6: Final answer
    x = 7,973,140.13

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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.