Home / 13,293,208.80-19,939,813.20-11,380,021.20

Finding the Fourth Proportional to 13,293,208.80, 19,939,813.20 and 11,380,021.20

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Solution

The fourth proportional to 13,293,208.80, 19,939,813.20 and 11,380,021.20 is: 17,070,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,208.80 : 19,939,813.20 = 11,380,021.20 : x
  2. Step 2: Convert to fraction form
    13,293,208.80/19,939,813.20 = 11,380,021.20/x
  3. Step 3: Cross multiply
    13,293,208.80x = 19,939,813.20 × 11,380,021.20
  4. Step 4: Simplify right side
    13,293,208.80x = 226,915,496,940,039.81
  5. Step 5: Solve for x
    x = 226,915,496,940,039.81/13,293,208.80
  6. Step 6: Final answer
    x = 17,070,031.80

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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.