Home / 12,972,335.05-19,454,571.93-6,821,001.98

Finding the Fourth Proportional to 12,972,335.05, 19,454,571.93 and 6,821,001.98

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Solution

The fourth proportional to 12,972,335.05, 19,454,571.93 and 6,821,001.98 is: 10,229,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,972,335.05 : 19,454,571.93 = 6,821,001.98 : x
  2. Step 2: Convert to fraction form
    12,972,335.05/19,454,571.93 = 6,821,001.98/x
  3. Step 3: Cross multiply
    12,972,335.05x = 19,454,571.93 × 6,821,001.98
  4. Step 4: Simplify right side
    12,972,335.05x = 132,699,673,654,582.42
  5. Step 5: Solve for x
    x = 132,699,673,654,582.42/12,972,335.05
  6. Step 6: Final answer
    x = 10,229,436.19

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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.