Home / 18,887,421.70-28,331,132.55-14,777,611.30

Finding the Fourth Proportional to 18,887,421.70, 28,331,132.55 and 14,777,611.30

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Solution

The fourth proportional to 18,887,421.70, 28,331,132.55 and 14,777,611.30 is: 22,166,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,421.70 : 28,331,132.55 = 14,777,611.30 : x
  2. Step 2: Convert to fraction form
    18,887,421.70/28,331,132.55 = 14,777,611.30/x
  3. Step 3: Cross multiply
    18,887,421.70x = 28,331,132.55 × 14,777,611.30
  4. Step 4: Simplify right side
    18,887,421.70x = 418,666,464,512,677.88
  5. Step 5: Solve for x
    x = 418,666,464,512,677.88/18,887,421.70
  6. Step 6: Final answer
    x = 22,166,416.95

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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.