Home / 13,374,613.40-20,061,920.10-8,591,644.40

Finding the Fourth Proportional to 13,374,613.40, 20,061,920.10 and 8,591,644.40

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Solution

The fourth proportional to 13,374,613.40, 20,061,920.10 and 8,591,644.40 is: 12,887,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,613.40 : 20,061,920.10 = 8,591,644.40 : x
  2. Step 2: Convert to fraction form
    13,374,613.40/20,061,920.10 = 8,591,644.40/x
  3. Step 3: Cross multiply
    13,374,613.40x = 20,061,920.10 × 8,591,644.40
  4. Step 4: Simplify right side
    13,374,613.40x = 172,364,883,480,412.47
  5. Step 5: Solve for x
    x = 172,364,883,480,412.47/13,374,613.40
  6. Step 6: Final answer
    x = 12,887,466.60

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1.5x scale

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.