Home / 13,374,630.90-20,061,946.35-8,591,661.90

Finding the Fourth Proportional to 13,374,630.90, 20,061,946.35 and 8,591,661.90

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Solution

The fourth proportional to 13,374,630.90, 20,061,946.35 and 8,591,661.90 is: 12,887,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,630.90 : 20,061,946.35 = 8,591,661.90 : x
  2. Step 2: Convert to fraction form
    13,374,630.90/20,061,946.35 = 8,591,661.90/x
  3. Step 3: Cross multiply
    13,374,630.90x = 20,061,946.35 × 8,591,661.90
  4. Step 4: Simplify right side
    13,374,630.90x = 172,365,460,095,139.09
  5. Step 5: Solve for x
    x = 172,365,460,095,139.09/13,374,630.90
  6. Step 6: Final answer
    x = 12,887,492.85

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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.