Home / 19,911,960.64-29,885,745.84-10,203,196.96

Finding the Fourth Proportional to 19,911,960.64, 29,885,745.84 and 10,203,196.96

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Solution

The fourth proportional to 19,911,960.64, 29,885,745.84 and 10,203,196.96 is: 15,313,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911,960.64 : 29,885,745.84 = 10,203,196.96 : x
  2. Step 2: Convert to fraction form
    19,911,960.64/29,885,745.84 = 10,203,196.96/x
  3. Step 3: Cross multiply
    19,911,960.64x = 29,885,745.84 × 10,203,196.96
  4. Step 4: Simplify right side
    19,911,960.64x = 304,930,151,102,020.69
  5. Step 5: Solve for x
    x = 304,930,151,102,020.69/19,911,960.64
  6. Step 6: Final answer
    x = 15,313,918.94

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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.