Home / 7,640,031.20-11,458,801.28-2,247,420.46

Finding the Fourth Proportional to 7,640,031.20, 11,458,801.28 and 2,247,420.46

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Solution

The fourth proportional to 7,640,031.20, 11,458,801.28 and 2,247,420.46 is: 3,370,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640,031.20 : 11,458,801.28 = 2,247,420.46 : x
  2. Step 2: Convert to fraction form
    7,640,031.20/11,458,801.28 = 2,247,420.46/x
  3. Step 3: Cross multiply
    7,640,031.20x = 11,458,801.28 × 2,247,420.46
  4. Step 4: Simplify right side
    7,640,031.20x = 25,752,744,443,746.19
  5. Step 5: Solve for x
    x = 25,752,744,443,746.19/7,640,031.20
  6. Step 6: Final answer
    x = 3,370,764.30

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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.