Home / 19,272,067.13-28,909,799.90-5,439,149.09

Finding the Fourth Proportional to 19,272,067.13, 28,909,799.90 and 5,439,149.09

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Solution

The fourth proportional to 19,272,067.13, 28,909,799.90 and 5,439,149.09 is: 8,159,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272,067.13 : 28,909,799.90 = 5,439,149.09 : x
  2. Step 2: Convert to fraction form
    19,272,067.13/28,909,799.90 = 5,439,149.09/x
  3. Step 3: Cross multiply
    19,272,067.13x = 28,909,799.90 × 5,439,149.09
  4. Step 4: Simplify right side
    19,272,067.13x = 157,244,711,790,971.34
  5. Step 5: Solve for x
    x = 157,244,711,790,971.34/19,272,067.13
  6. Step 6: Final answer
    x = 8,159,203.20

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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.