Home / 14,497,990.24-20,007,300.90-7,972,040.56

Finding the Fourth Proportional to 14,497,990.24, 20,007,300.90 and 7,972,040.56

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Solution

The fourth proportional to 14,497,990.24, 20,007,300.90 and 7,972,040.56 is: 11,001,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,497,990.24 : 20,007,300.90 = 7,972,040.56 : x
  2. Step 2: Convert to fraction form
    14,497,990.24/20,007,300.90 = 7,972,040.56/x
  3. Step 3: Cross multiply
    14,497,990.24x = 20,007,300.90 × 7,972,040.56
  4. Step 4: Simplify right side
    14,497,990.24x = 159,499,014,270,924.47
  5. Step 5: Solve for x
    x = 159,499,014,270,924.47/14,497,990.24
  6. Step 6: Final answer
    x = 11,001,456.87

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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.