Home / 12,097,164.20-18,154,040.70-5,370,405.80

Finding the Fourth Proportional to 12,097,164.20, 18,154,040.70 and 5,370,405.80

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Solution

The fourth proportional to 12,097,164.20, 18,154,040.70 and 5,370,405.80 is: 8,059,290.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,164.20 : 18,154,040.70 = 5,370,405.80 : x
  2. Step 2: Convert to fraction form
    12,097,164.20/18,154,040.70 = 5,370,405.80/x
  3. Step 3: Cross multiply
    12,097,164.20x = 18,154,040.70 × 5,370,405.80
  4. Step 4: Simplify right side
    12,097,164.20x = 97,494,565,468,716.05
  5. Step 5: Solve for x
    x = 97,494,565,468,716.05/12,097,164.20
  6. Step 6: Final answer
    x = 8,059,290.91

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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.