Home / 12,080,617.28-18,124,062.24-4,507,640

Finding the Fourth Proportional to 12,080,617.28, 18,124,062.24 and 4,507,640

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Solution

The fourth proportional to 12,080,617.28, 18,124,062.24 and 4,507,640 is: 6,762,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,080,617.28 : 18,124,062.24 = 4,507,640 : x
  2. Step 2: Convert to fraction form
    12,080,617.28/18,124,062.24 = 4,507,640/x
  3. Step 3: Cross multiply
    12,080,617.28x = 18,124,062.24 × 4,507,640
  4. Step 4: Simplify right side
    12,080,617.28x = 81,696,747,915,513.59
  5. Step 5: Solve for x
    x = 81,696,747,915,513.59/12,080,617.28
  6. Step 6: Final answer
    x = 6,762,630.25

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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.