Home / 18,893,556.30-28,298,344.05-14,619,866.70

Finding the Fourth Proportional to 18,893,556.30, 28,298,344.05 and 14,619,866.70

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Solution

The fourth proportional to 18,893,556.30, 28,298,344.05 and 14,619,866.70 is: 21,897,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,893,556.30 : 28,298,344.05 = 14,619,866.70 : x
  2. Step 2: Convert to fraction form
    18,893,556.30/28,298,344.05 = 14,619,866.70/x
  3. Step 3: Cross multiply
    18,893,556.30x = 28,298,344.05 × 14,619,866.70
  4. Step 4: Simplify right side
    18,893,556.30x = 413,718,017,841,738.12
  5. Step 5: Solve for x
    x = 413,718,017,841,738.12/18,893,556.30
  6. Step 6: Final answer
    x = 21,897,307.81

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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.