Home / 19,338,690.80-28,976,543.40-14,236,857.20

Finding the Fourth Proportional to 19,338,690.80, 28,976,543.40 and 14,236,857.20

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Solution

The fourth proportional to 19,338,690.80, 28,976,543.40 and 14,236,857.20 is: 21,332,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338,690.80 : 28,976,543.40 = 14,236,857.20 : x
  2. Step 2: Convert to fraction form
    19,338,690.80/28,976,543.40 = 14,236,857.20/x
  3. Step 3: Cross multiply
    19,338,690.80x = 28,976,543.40 × 14,236,857.20
  4. Step 4: Simplify right side
    19,338,690.80x = 412,534,910,535,402.44
  5. Step 5: Solve for x
    x = 412,534,910,535,402.44/19,338,690.80
  6. Step 6: Final answer
    x = 21,332,101.27

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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.