Home / 15,945,448.92-22,011,521.33-10,721,485.09

Finding the Fourth Proportional to 15,945,448.92, 22,011,521.33 and 10,721,485.09

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Solution

The fourth proportional to 15,945,448.92, 22,011,521.33 and 10,721,485.09 is: 14,800,222.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945,448.92 : 22,011,521.33 = 10,721,485.09 : x
  2. Step 2: Convert to fraction form
    15,945,448.92/22,011,521.33 = 10,721,485.09/x
  3. Step 3: Cross multiply
    15,945,448.92x = 22,011,521.33 × 10,721,485.09
  4. Step 4: Simplify right side
    15,945,448.92x = 235,996,197,747,811.94
  5. Step 5: Solve for x
    x = 235,996,197,747,811.94/15,945,448.92
  6. Step 6: Final answer
    x = 14,800,222.87

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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.