Home / 9,279,818.80-13,921,040.40-2,889,404.80

Finding the Fourth Proportional to 9,279,818.80, 13,921,040.40 and 2,889,404.80

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Solution

The fourth proportional to 9,279,818.80, 13,921,040.40 and 2,889,404.80 is: 4,334,515.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279,818.80 : 13,921,040.40 = 2,889,404.80 : x
  2. Step 2: Convert to fraction form
    9,279,818.80/13,921,040.40 = 2,889,404.80/x
  3. Step 3: Cross multiply
    9,279,818.80x = 13,921,040.40 × 2,889,404.80
  4. Step 4: Simplify right side
    9,279,818.80x = 40,223,520,952,753.92
  5. Step 5: Solve for x
    x = 40,223,520,952,753.92/9,279,818.80
  6. Step 6: Final answer
    x = 4,334,515.77

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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.