Home / 13,800,027.90-19,031,121-10,906,331.70

Finding the Fourth Proportional to 13,800,027.90, 19,031,121 and 10,906,331.70

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Solution

The fourth proportional to 13,800,027.90, 19,031,121 and 10,906,331.70 is: 15,040,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,027.90 : 19,031,121 = 10,906,331.70 : x
  2. Step 2: Convert to fraction form
    13,800,027.90/19,031,121 = 10,906,331.70/x
  3. Step 3: Cross multiply
    13,800,027.90x = 19,031,121 × 10,906,331.70
  4. Step 4: Simplify right side
    13,800,027.90x = 207,559,718,248,835.69
  5. Step 5: Solve for x
    x = 207,559,718,248,835.69/13,800,027.90
  6. Step 6: Final answer
    x = 15,040,528.89

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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.