Home / 21,384,311.60-32,039,142.60-18,398,327.60

Finding the Fourth Proportional to 21,384,311.60, 32,039,142.60 and 18,398,327.60

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Solution

The fourth proportional to 21,384,311.60, 32,039,142.60 and 18,398,327.60 is: 27,565,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,311.60 : 32,039,142.60 = 18,398,327.60 : x
  2. Step 2: Convert to fraction form
    21,384,311.60/32,039,142.60 = 18,398,327.60/x
  3. Step 3: Cross multiply
    21,384,311.60x = 32,039,142.60 × 18,398,327.60
  4. Step 4: Simplify right side
    21,384,311.60x = 589,466,641,577,915.88
  5. Step 5: Solve for x
    x = 589,466,641,577,915.88/21,384,311.60
  6. Step 6: Final answer
    x = 27,565,378.42

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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.