Home / 12,646,620.58-18,972,948.75-4,126,972.90

Finding the Fourth Proportional to 12,646,620.58, 18,972,948.75 and 4,126,972.90

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Solution

The fourth proportional to 12,646,620.58, 18,972,948.75 and 4,126,972.90 is: 6,191,444.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,620.58 : 18,972,948.75 = 4,126,972.90 : x
  2. Step 2: Convert to fraction form
    12,646,620.58/18,972,948.75 = 4,126,972.90/x
  3. Step 3: Cross multiply
    12,646,620.58x = 18,972,948.75 × 4,126,972.90
  4. Step 4: Simplify right side
    12,646,620.58x = 78,300,845,324,338.88
  5. Step 5: Solve for x
    x = 78,300,845,324,338.88/12,646,620.58
  6. Step 6: Final answer
    x = 6,191,444.18

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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.