Home / 13,293,478.80-19,940,218.20-11,380,291.20

Finding the Fourth Proportional to 13,293,478.80, 19,940,218.20 and 11,380,291.20

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Solution

The fourth proportional to 13,293,478.80, 19,940,218.20 and 11,380,291.20 is: 17,070,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293,478.80 : 19,940,218.20 = 11,380,291.20 : x
  2. Step 2: Convert to fraction form
    13,293,478.80/19,940,218.20 = 11,380,291.20/x
  3. Step 3: Cross multiply
    13,293,478.80x = 19,940,218.20 × 11,380,291.20
  4. Step 4: Simplify right side
    13,293,478.80x = 226,925,489,707,539.81
  5. Step 5: Solve for x
    x = 226,925,489,707,539.81/13,293,478.80
  6. Step 6: Final answer
    x = 17,070,436.80

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1.5x scale

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.