Home / 13,480,360.40-20,220,540.60-7,496,728.40

Finding the Fourth Proportional to 13,480,360.40, 20,220,540.60 and 7,496,728.40

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Solution

The fourth proportional to 13,480,360.40, 20,220,540.60 and 7,496,728.40 is: 11,245,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,360.40 : 20,220,540.60 = 7,496,728.40 : x
  2. Step 2: Convert to fraction form
    13,480,360.40/20,220,540.60 = 7,496,728.40/x
  3. Step 3: Cross multiply
    13,480,360.40x = 20,220,540.60 × 7,496,728.40
  4. Step 4: Simplify right side
    13,480,360.40x = 151,587,900,979,373.06
  5. Step 5: Solve for x
    x = 151,587,900,979,373.06/13,480,360.40
  6. Step 6: Final answer
    x = 11,245,092.60

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Double scale
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Similar ratio
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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.