Home / 12,354,310.20-18,522,825.30-7,303,020.60

Finding the Fourth Proportional to 12,354,310.20, 18,522,825.30 and 7,303,020.60

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Solution

The fourth proportional to 12,354,310.20, 18,522,825.30 and 7,303,020.60 is: 10,949,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,354,310.20 : 18,522,825.30 = 7,303,020.60 : x
  2. Step 2: Convert to fraction form
    12,354,310.20/18,522,825.30 = 7,303,020.60/x
  3. Step 3: Cross multiply
    12,354,310.20x = 18,522,825.30 × 7,303,020.60
  4. Step 4: Simplify right side
    12,354,310.20x = 135,272,574,736,101.17
  5. Step 5: Solve for x
    x = 135,272,574,736,101.17/12,354,310.20
  6. Step 6: Final answer
    x = 10,949,423.52

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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.