Home / 21,582,052.80-32,373,079.20-21,456,081.60

Finding the Fourth Proportional to 21,582,052.80, 32,373,079.20 and 21,456,081.60

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Solution

The fourth proportional to 21,582,052.80, 32,373,079.20 and 21,456,081.60 is: 32,184,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582,052.80 : 32,373,079.20 = 21,456,081.60 : x
  2. Step 2: Convert to fraction form
    21,582,052.80/32,373,079.20 = 21,456,081.60/x
  3. Step 3: Cross multiply
    21,582,052.80x = 32,373,079.20 × 21,456,081.60
  4. Step 4: Simplify right side
    21,582,052.80x = 694,599,428,958,462.75
  5. Step 5: Solve for x
    x = 694,599,428,958,462.75/21,582,052.80
  6. Step 6: Final answer
    x = 32,184,122.40

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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.