Home / 20,614,901.28-30,917,242.02-6,967,744.26

Finding the Fourth Proportional to 20,614,901.28, 30,917,242.02 and 6,967,744.26

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Solution

The fourth proportional to 20,614,901.28, 30,917,242.02 and 6,967,744.26 is: 10,449,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,614,901.28 : 30,917,242.02 = 6,967,744.26 : x
  2. Step 2: Convert to fraction form
    20,614,901.28/30,917,242.02 = 6,967,744.26/x
  3. Step 3: Cross multiply
    20,614,901.28x = 30,917,242.02 × 6,967,744.26
  4. Step 4: Simplify right side
    20,614,901.28x = 215,423,435,619,885.78
  5. Step 5: Solve for x
    x = 215,423,435,619,885.78/20,614,901.28
  6. Step 6: Final answer
    x = 10,449,889.27

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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.