Home / 12,929,927.20-19,394,987.94-5,739,528.04

Finding the Fourth Proportional to 12,929,927.20, 19,394,987.94 and 5,739,528.04

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Solution

The fourth proportional to 12,929,927.20, 19,394,987.94 and 5,739,528.04 is: 8,609,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,927.20 : 19,394,987.94 = 5,739,528.04 : x
  2. Step 2: Convert to fraction form
    12,929,927.20/19,394,987.94 = 5,739,528.04/x
  3. Step 3: Cross multiply
    12,929,927.20x = 19,394,987.94 × 5,739,528.04
  4. Step 4: Simplify right side
    12,929,927.20x = 111,318,077,117,091.84
  5. Step 5: Solve for x
    x = 111,318,077,117,091.84/12,929,927.20
  6. Step 6: Final answer
    x = 8,609,335.18

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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.