Home / 18,893,790.30-28,298,695.05-14,620,100.70

Finding the Fourth Proportional to 18,893,790.30, 28,298,695.05 and 14,620,100.70

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Solution

The fourth proportional to 18,893,790.30, 28,298,695.05 and 14,620,100.70 is: 21,897,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,790.30 : 28,298,695.05 = 14,620,100.70 : x
  2. Step 2: Convert to fraction form
    18,893,790.30/28,298,695.05 = 14,620,100.70/x
  3. Step 3: Cross multiply
    18,893,790.30x = 28,298,695.05 × 14,620,100.70
  4. Step 4: Simplify right side
    18,893,790.30x = 413,729,771,309,591.50
  5. Step 5: Solve for x
    x = 413,729,771,309,591.50/18,893,790.30
  6. Step 6: Final answer
    x = 21,897,658.69

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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.