Home / 28,618,530.24-39,489,987.20-19,346,274.92

Finding the Fourth Proportional to 28,618,530.24, 39,489,987.20 and 19,346,274.92

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Solution

The fourth proportional to 28,618,530.24, 39,489,987.20 and 19,346,274.92 is: 26,695,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,618,530.24 : 39,489,987.20 = 19,346,274.92 : x
  2. Step 2: Convert to fraction form
    28,618,530.24/39,489,987.20 = 19,346,274.92/x
  3. Step 3: Cross multiply
    28,618,530.24x = 39,489,987.20 × 19,346,274.92
  4. Step 4: Simplify right side
    28,618,530.24x = 763,984,148,958,481.12
  5. Step 5: Solve for x
    x = 763,984,148,958,481.12/28,618,530.24
  6. Step 6: Final answer
    x = 26,695,436.23

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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.