Home / 8,612,460.27-12,918,261.11-3,220,714.31

Finding the Fourth Proportional to 8,612,460.27, 12,918,261.11 and 3,220,714.31

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Solution

The fourth proportional to 8,612,460.27, 12,918,261.11 and 3,220,714.31 is: 4,830,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,460.27 : 12,918,261.11 = 3,220,714.31 : x
  2. Step 2: Convert to fraction form
    8,612,460.27/12,918,261.11 = 3,220,714.31/x
  3. Step 3: Cross multiply
    8,612,460.27x = 12,918,261.11 × 3,220,714.31
  4. Step 4: Simplify right side
    8,612,460.27x = 41,606,028,336,598.61
  5. Step 5: Solve for x
    x = 41,606,028,336,598.61/8,612,460.27
  6. Step 6: Final answer
    x = 4,830,910.92

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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.