Home / 8,889,102.80-13,333,557-2,157,516.80

Finding the Fourth Proportional to 8,889,102.80, 13,333,557 and 2,157,516.80

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Solution

The fourth proportional to 8,889,102.80, 13,333,557 and 2,157,516.80 is: 3,236,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,102.80 : 13,333,557 = 2,157,516.80 : x
  2. Step 2: Convert to fraction form
    8,889,102.80/13,333,557 = 2,157,516.80/x
  3. Step 3: Cross multiply
    8,889,102.80x = 13,333,557 × 2,157,516.80
  4. Step 4: Simplify right side
    8,889,102.80x = 28,767,373,231,257.60
  5. Step 5: Solve for x
    x = 28,767,373,231,257.60/8,889,102.80
  6. Step 6: Final answer
    x = 3,236,251.61

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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.