Home / 12,189,521.80-16,823,253.76-7,544,796.64

Finding the Fourth Proportional to 12,189,521.80, 16,823,253.76 and 7,544,796.64

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Solution

The fourth proportional to 12,189,521.80, 16,823,253.76 and 7,544,796.64 is: 10,412,880.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,189,521.80 : 16,823,253.76 = 7,544,796.64 : x
  2. Step 2: Convert to fraction form
    12,189,521.80/16,823,253.76 = 7,544,796.64/x
  3. Step 3: Cross multiply
    12,189,521.80x = 16,823,253.76 × 7,544,796.64
  4. Step 4: Simplify right side
    12,189,521.80x = 126,928,028,442,315.38
  5. Step 5: Solve for x
    x = 126,928,028,442,315.38/12,189,521.80
  6. Step 6: Final answer
    x = 10,412,880.06

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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.