Home / 12,284,080.40-18,426,995.40-3,764,403.20

Finding the Fourth Proportional to 12,284,080.40, 18,426,995.40 and 3,764,403.20

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Solution

The fourth proportional to 12,284,080.40, 18,426,995.40 and 3,764,403.20 is: 5,646,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284,080.40 : 18,426,995.40 = 3,764,403.20 : x
  2. Step 2: Convert to fraction form
    12,284,080.40/18,426,995.40 = 3,764,403.20/x
  3. Step 3: Cross multiply
    12,284,080.40x = 18,426,995.40 × 3,764,403.20
  4. Step 4: Simplify right side
    12,284,080.40x = 69,366,640,450,145.28
  5. Step 5: Solve for x
    x = 69,366,640,450,145.28/12,284,080.40
  6. Step 6: Final answer
    x = 5,646,872.88

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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.