Home / 12,154,952.12-18,225,697.46-4,971,530.43

Finding the Fourth Proportional to 12,154,952.12, 18,225,697.46 and 4,971,530.43

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Solution

The fourth proportional to 12,154,952.12, 18,225,697.46 and 4,971,530.43 is: 7,454,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,952.12 : 18,225,697.46 = 4,971,530.43 : x
  2. Step 2: Convert to fraction form
    12,154,952.12/18,225,697.46 = 4,971,530.43/x
  3. Step 3: Cross multiply
    12,154,952.12x = 18,225,697.46 × 4,971,530.43
  4. Step 4: Simplify right side
    12,154,952.12x = 90,609,609,505,506.05
  5. Step 5: Solve for x
    x = 90,609,609,505,506.05/12,154,952.12
  6. Step 6: Final answer
    x = 7,454,542.70

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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.