Home / 8,292,128.76-11,442,982.32-4,620,964.56

Finding the Fourth Proportional to 8,292,128.76, 11,442,982.32 and 4,620,964.56

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Solution

The fourth proportional to 8,292,128.76, 11,442,982.32 and 4,620,964.56 is: 6,376,844.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,128.76 : 11,442,982.32 = 4,620,964.56 : x
  2. Step 2: Convert to fraction form
    8,292,128.76/11,442,982.32 = 4,620,964.56/x
  3. Step 3: Cross multiply
    8,292,128.76x = 11,442,982.32 × 4,620,964.56
  4. Step 4: Simplify right side
    8,292,128.76x = 52,877,615,761,426.58
  5. Step 5: Solve for x
    x = 52,877,615,761,426.58/8,292,128.76
  6. Step 6: Final answer
    x = 6,376,844.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.