Home / 13,293,209.80-19,939,814.70-11,380,022.20

Finding the Fourth Proportional to 13,293,209.80, 19,939,814.70 and 11,380,022.20

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Solution

The fourth proportional to 13,293,209.80, 19,939,814.70 and 11,380,022.20 is: 17,070,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,209.80 : 19,939,814.70 = 11,380,022.20 : x
  2. Step 2: Convert to fraction form
    13,293,209.80/19,939,814.70 = 11,380,022.20/x
  3. Step 3: Cross multiply
    13,293,209.80x = 19,939,814.70 × 11,380,022.20
  4. Step 4: Simplify right side
    13,293,209.80x = 226,915,533,949,886.31
  5. Step 5: Solve for x
    x = 226,915,533,949,886.31/13,293,209.80
  6. Step 6: Final answer
    x = 17,070,033.30

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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.