Home / 9,120,870.70-13,672,282.05-4,320,121.90

Finding the Fourth Proportional to 9,120,870.70, 13,672,282.05 and 4,320,121.90

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Solution

The fourth proportional to 9,120,870.70, 13,672,282.05 and 4,320,121.90 is: 6,475,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120,870.70 : 13,672,282.05 = 4,320,121.90 : x
  2. Step 2: Convert to fraction form
    9,120,870.70/13,672,282.05 = 4,320,121.90/x
  3. Step 3: Cross multiply
    9,120,870.70x = 13,672,282.05 × 4,320,121.90
  4. Step 4: Simplify right side
    9,120,870.70x = 59,065,925,107,181.91
  5. Step 5: Solve for x
    x = 59,065,925,107,181.91/9,120,870.70
  6. Step 6: Final answer
    x = 6,475,908.61

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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.