Home / 21,225,955.20-31,845,179.52-6,848,753.28

Finding the Fourth Proportional to 21,225,955.20, 31,845,179.52 and 6,848,753.28

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Solution

The fourth proportional to 21,225,955.20, 31,845,179.52 and 6,848,753.28 is: 10,275,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,955.20 : 31,845,179.52 = 6,848,753.28 : x
  2. Step 2: Convert to fraction form
    21,225,955.20/31,845,179.52 = 6,848,753.28/x
  3. Step 3: Cross multiply
    21,225,955.20x = 31,845,179.52 × 6,848,753.28
  4. Step 4: Simplify right side
    21,225,955.20x = 218,099,777,689,788.84
  5. Step 5: Solve for x
    x = 218,099,777,689,788.84/21,225,955.20
  6. Step 6: Final answer
    x = 10,275,145.48

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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.