Home / 13,833,120.20-20,749,680.30-6,642,920.30

Finding the Fourth Proportional to 13,833,120.20, 20,749,680.30 and 6,642,920.30

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Solution

The fourth proportional to 13,833,120.20, 20,749,680.30 and 6,642,920.30 is: 9,964,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,833,120.20 : 20,749,680.30 = 6,642,920.30 : x
  2. Step 2: Convert to fraction form
    13,833,120.20/20,749,680.30 = 6,642,920.30/x
  3. Step 3: Cross multiply
    13,833,120.20x = 20,749,680.30 × 6,642,920.30
  4. Step 4: Simplify right side
    13,833,120.20x = 137,838,472,483,380.09
  5. Step 5: Solve for x
    x = 137,838,472,483,380.09/13,833,120.20
  6. Step 6: Final answer
    x = 9,964,380.45

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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.