Home / 12,104,515.76-18,153,230.70-9,969,303.92

Finding the Fourth Proportional to 12,104,515.76, 18,153,230.70 and 9,969,303.92

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Solution

The fourth proportional to 12,104,515.76, 18,153,230.70 and 9,969,303.92 is: 14,951,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104,515.76 : 18,153,230.70 = 9,969,303.92 : x
  2. Step 2: Convert to fraction form
    12,104,515.76/18,153,230.70 = 9,969,303.92/x
  3. Step 3: Cross multiply
    12,104,515.76x = 18,153,230.70 × 9,969,303.92
  4. Step 4: Simplify right side
    12,104,515.76x = 180,975,073,978,174.34
  5. Step 5: Solve for x
    x = 180,975,073,978,174.34/12,104,515.76
  6. Step 6: Final answer
    x = 14,951,037.91

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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.