Home / 13,408,088.40-20,122,630.20-6,220,512.90

Finding the Fourth Proportional to 13,408,088.40, 20,122,630.20 and 6,220,512.90

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Solution

The fourth proportional to 13,408,088.40, 20,122,630.20 and 6,220,512.90 is: 9,335,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408,088.40 : 20,122,630.20 = 6,220,512.90 : x
  2. Step 2: Convert to fraction form
    13,408,088.40/20,122,630.20 = 6,220,512.90/x
  3. Step 3: Cross multiply
    13,408,088.40x = 20,122,630.20 × 6,220,512.90
  4. Step 4: Simplify right side
    13,408,088.40x = 125,173,080,741,029.58
  5. Step 5: Solve for x
    x = 125,173,080,741,029.58/13,408,088.40
  6. Step 6: Final answer
    x = 9,335,639.58

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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.