Home / 10,145,426.31-15,223,120.43-4,079,913.03

Finding the Fourth Proportional to 10,145,426.31, 15,223,120.43 and 4,079,913.03

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Solution

The fourth proportional to 10,145,426.31, 15,223,120.43 and 4,079,913.03 is: 6,121,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,145,426.31 : 15,223,120.43 = 4,079,913.03 : x
  2. Step 2: Convert to fraction form
    10,145,426.31/15,223,120.43 = 4,079,913.03/x
  3. Step 3: Cross multiply
    10,145,426.31x = 15,223,120.43 × 4,079,913.03
  4. Step 4: Simplify right side
    10,145,426.31x = 62,109,007,379,216.64
  5. Step 5: Solve for x
    x = 62,109,007,379,216.64/10,145,426.31
  6. Step 6: Final answer
    x = 6,121,872.60

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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.