Home / 21,782,015.20-32,673,022.80-14,979,570.40

Finding the Fourth Proportional to 21,782,015.20, 32,673,022.80 and 14,979,570.40

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Solution

The fourth proportional to 21,782,015.20, 32,673,022.80 and 14,979,570.40 is: 22,469,355.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,015.20 : 32,673,022.80 = 14,979,570.40 : x
  2. Step 2: Convert to fraction form
    21,782,015.20/32,673,022.80 = 14,979,570.40/x
  3. Step 3: Cross multiply
    21,782,015.20x = 32,673,022.80 × 14,979,570.40
  4. Step 4: Simplify right side
    21,782,015.20x = 489,427,845,213,405.12
  5. Step 5: Solve for x
    x = 489,427,845,213,405.12/21,782,015.20
  6. Step 6: Final answer
    x = 22,469,355.60

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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.