Home / 19,778,395.03-27,287,354.52-12,436,786.85

Finding the Fourth Proportional to 19,778,395.03, 27,287,354.52 and 12,436,786.85

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Solution

The fourth proportional to 19,778,395.03, 27,287,354.52 and 12,436,786.85 is: 17,158,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778,395.03 : 27,287,354.52 = 12,436,786.85 : x
  2. Step 2: Convert to fraction form
    19,778,395.03/27,287,354.52 = 12,436,786.85/x
  3. Step 3: Cross multiply
    19,778,395.03x = 27,287,354.52 × 12,436,786.85
  4. Step 4: Simplify right side
    19,778,395.03x = 339,367,011,729,187.31
  5. Step 5: Solve for x
    x = 339,367,011,729,187.31/19,778,395.03
  6. Step 6: Final answer
    x = 17,158,470.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.