Home / 13,941,959.72-20,912,955.90-4,357,388.48

Finding the Fourth Proportional to 13,941,959.72, 20,912,955.90 and 4,357,388.48

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Solution

The fourth proportional to 13,941,959.72, 20,912,955.90 and 4,357,388.48 is: 6,536,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941,959.72 : 20,912,955.90 = 4,357,388.48 : x
  2. Step 2: Convert to fraction form
    13,941,959.72/20,912,955.90 = 4,357,388.48/x
  3. Step 3: Cross multiply
    13,941,959.72x = 20,912,955.90 × 4,357,388.48
  4. Step 4: Simplify right side
    13,941,959.72x = 91,125,873,121,408.03
  5. Step 5: Solve for x
    x = 91,125,873,121,408.03/13,941,959.72
  6. Step 6: Final answer
    x = 6,536,087.82

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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.