Home / 31,177,889.28-43,025,472-18,300,833.28

Finding the Fourth Proportional to 31,177,889.28, 43,025,472 and 18,300,833.28

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Solution

The fourth proportional to 31,177,889.28, 43,025,472 and 18,300,833.28 is: 25,255,141.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177,889.28 : 43,025,472 = 18,300,833.28 : x
  2. Step 2: Convert to fraction form
    31,177,889.28/43,025,472 = 18,300,833.28/x
  3. Step 3: Cross multiply
    31,177,889.28x = 43,025,472 × 18,300,833.28
  4. Step 4: Simplify right side
    31,177,889.28x = 787,401,989,865,308.25
  5. Step 5: Solve for x
    x = 787,401,989,865,308.25/31,177,889.28
  6. Step 6: Final answer
    x = 25,255,141.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.