Home / 21,892,897.60-32,839,346.40-18,491,675.20

Finding the Fourth Proportional to 21,892,897.60, 32,839,346.40 and 18,491,675.20

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Solution

The fourth proportional to 21,892,897.60, 32,839,346.40 and 18,491,675.20 is: 27,737,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,897.60 : 32,839,346.40 = 18,491,675.20 : x
  2. Step 2: Convert to fraction form
    21,892,897.60/32,839,346.40 = 18,491,675.20/x
  3. Step 3: Cross multiply
    21,892,897.60x = 32,839,346.40 × 18,491,675.20
  4. Step 4: Simplify right side
    21,892,897.60x = 607,254,527,409,089.25
  5. Step 5: Solve for x
    x = 607,254,527,409,089.25/21,892,897.60
  6. Step 6: Final answer
    x = 27,737,512.80

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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.