Home / 21,892,901.60-32,839,352.40-18,491,679.20

Finding the Fourth Proportional to 21,892,901.60, 32,839,352.40 and 18,491,679.20

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Solution

The fourth proportional to 21,892,901.60, 32,839,352.40 and 18,491,679.20 is: 27,737,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,892,901.60 : 32,839,352.40 = 18,491,679.20 : x
  2. Step 2: Convert to fraction form
    21,892,901.60/32,839,352.40 = 18,491,679.20/x
  3. Step 3: Cross multiply
    21,892,901.60x = 32,839,352.40 × 18,491,679.20
  4. Step 4: Simplify right side
    21,892,901.60x = 607,254,769,716,550
  5. Step 5: Solve for x
    x = 607,254,769,716,550/21,892,901.60
  6. Step 6: Final answer
    x = 27,737,518.80

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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.