Home / 12,408,148.56-17,125,702.20-8,051,119.44

Finding the Fourth Proportional to 12,408,148.56, 17,125,702.20 and 8,051,119.44

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Solution

The fourth proportional to 12,408,148.56, 17,125,702.20 and 8,051,119.44 is: 11,112,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408,148.56 : 17,125,702.20 = 8,051,119.44 : x
  2. Step 2: Convert to fraction form
    12,408,148.56/17,125,702.20 = 8,051,119.44/x
  3. Step 3: Cross multiply
    12,408,148.56x = 17,125,702.20 × 8,051,119.44
  4. Step 4: Simplify right side
    12,408,148.56x = 137,881,073,906,070.77
  5. Step 5: Solve for x
    x = 137,881,073,906,070.77/12,408,148.56
  6. Step 6: Final answer
    x = 11,112,139.19

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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.