Home / 12,482,004.80-18,723,621.60-6,510,036.80

Finding the Fourth Proportional to 12,482,004.80, 18,723,621.60 and 6,510,036.80

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Solution

The fourth proportional to 12,482,004.80, 18,723,621.60 and 6,510,036.80 is: 9,765,375.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,004.80 : 18,723,621.60 = 6,510,036.80 : x
  2. Step 2: Convert to fraction form
    12,482,004.80/18,723,621.60 = 6,510,036.80/x
  3. Step 3: Cross multiply
    12,482,004.80x = 18,723,621.60 × 6,510,036.80
  4. Step 4: Simplify right side
    12,482,004.80x = 121,891,465,645,274.89
  5. Step 5: Solve for x
    x = 121,891,465,645,274.89/12,482,004.80
  6. Step 6: Final answer
    x = 9,765,375.64

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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.