Home / 13,480,287.90-20,220,431.85-9,150,611.10

Finding the Fourth Proportional to 13,480,287.90, 20,220,431.85 and 9,150,611.10

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Solution

The fourth proportional to 13,480,287.90, 20,220,431.85 and 9,150,611.10 is: 13,725,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,287.90 : 20,220,431.85 = 9,150,611.10 : x
  2. Step 2: Convert to fraction form
    13,480,287.90/20,220,431.85 = 9,150,611.10/x
  3. Step 3: Cross multiply
    13,480,287.90x = 20,220,431.85 × 9,150,611.10
  4. Step 4: Simplify right side
    13,480,287.90x = 185,029,308,133,403.53
  5. Step 5: Solve for x
    x = 185,029,308,133,403.53/13,480,287.90
  6. Step 6: Final answer
    x = 13,725,916.65

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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.