Home / 10,752,945.40-16,129,418.10-7,346,711.80

Finding the Fourth Proportional to 10,752,945.40, 16,129,418.10 and 7,346,711.80

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Solution

The fourth proportional to 10,752,945.40, 16,129,418.10 and 7,346,711.80 is: 11,020,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,945.40 : 16,129,418.10 = 7,346,711.80 : x
  2. Step 2: Convert to fraction form
    10,752,945.40/16,129,418.10 = 7,346,711.80/x
  3. Step 3: Cross multiply
    10,752,945.40x = 16,129,418.10 × 7,346,711.80
  4. Step 4: Simplify right side
    10,752,945.40x = 118,498,186,282,403.58
  5. Step 5: Solve for x
    x = 118,498,186,282,403.58/10,752,945.40
  6. Step 6: Final answer
    x = 11,020,067.70

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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.