Home / 21,892,875.60-32,839,313.40-18,491,653.20

Finding the Fourth Proportional to 21,892,875.60, 32,839,313.40 and 18,491,653.20

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Solution

The fourth proportional to 21,892,875.60, 32,839,313.40 and 18,491,653.20 is: 27,737,479.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,875.60 : 32,839,313.40 = 18,491,653.20 : x
  2. Step 2: Convert to fraction form
    21,892,875.60/32,839,313.40 = 18,491,653.20/x
  3. Step 3: Cross multiply
    21,892,875.60x = 32,839,313.40 × 18,491,653.20
  4. Step 4: Simplify right side
    21,892,875.60x = 607,253,194,718,912.88
  5. Step 5: Solve for x
    x = 607,253,194,718,912.88/21,892,875.60
  6. Step 6: Final answer
    x = 27,737,479.80

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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.