Home / 10,119,897.64-15,165,674.43-5,320,394.92

Finding the Fourth Proportional to 10,119,897.64, 15,165,674.43 and 5,320,394.92

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Solution

The fourth proportional to 10,119,897.64, 15,165,674.43 and 5,320,394.92 is: 7,973,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119,897.64 : 15,165,674.43 = 5,320,394.92 : x
  2. Step 2: Convert to fraction form
    10,119,897.64/15,165,674.43 = 5,320,394.92/x
  3. Step 3: Cross multiply
    10,119,897.64x = 15,165,674.43 × 5,320,394.92
  4. Step 4: Simplify right side
    10,119,897.64x = 80,687,377,195,745.89
  5. Step 5: Solve for x
    x = 80,687,377,195,745.89/10,119,897.64
  6. Step 6: Final answer
    x = 7,973,141.63

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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.