Home / 12,026,378.12-18,037,646.80-3,504,721.28

Finding the Fourth Proportional to 12,026,378.12, 18,037,646.80 and 3,504,721.28

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Solution

The fourth proportional to 12,026,378.12, 18,037,646.80 and 3,504,721.28 is: 5,256,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026,378.12 : 18,037,646.80 = 3,504,721.28 : x
  2. Step 2: Convert to fraction form
    12,026,378.12/18,037,646.80 = 3,504,721.28/x
  3. Step 3: Cross multiply
    12,026,378.12x = 18,037,646.80 × 3,504,721.28
  4. Step 4: Simplify right side
    12,026,378.12x = 63,216,924,581,083.91
  5. Step 5: Solve for x
    x = 63,216,924,581,083.91/12,026,378.12
  6. Step 6: Final answer
    x = 5,256,522.28

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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.