Home / 10,148,724.21-13,991,690.34-8,062,488.82

Finding the Fourth Proportional to 10,148,724.21, 13,991,690.34 and 8,062,488.82

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Solution

The fourth proportional to 10,148,724.21, 13,991,690.34 and 8,062,488.82 is: 11,115,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,148,724.21 : 13,991,690.34 = 8,062,488.82 : x
  2. Step 2: Convert to fraction form
    10,148,724.21/13,991,690.34 = 8,062,488.82/x
  3. Step 3: Cross multiply
    10,148,724.21x = 13,991,690.34 × 8,062,488.82
  4. Step 4: Simplify right side
    10,148,724.21x = 112,807,846,904,172.77
  5. Step 5: Solve for x
    x = 112,807,846,904,172.77/10,148,724.21
  6. Step 6: Final answer
    x = 11,115,470.73

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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.