Home / 19,272,067.40-28,909,800.27-5,439,149.34

Finding the Fourth Proportional to 19,272,067.40, 28,909,800.27 and 5,439,149.34

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Solution

The fourth proportional to 19,272,067.40, 28,909,800.27 and 5,439,149.34 is: 8,159,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272,067.40 : 28,909,800.27 = 5,439,149.34 : x
  2. Step 2: Convert to fraction form
    19,272,067.40/28,909,800.27 = 5,439,149.34/x
  3. Step 3: Cross multiply
    19,272,067.40x = 28,909,800.27 × 5,439,149.34
  4. Step 4: Simplify right side
    19,272,067.40x = 157,244,721,058,102.31
  5. Step 5: Solve for x
    x = 157,244,721,058,102.31/19,272,067.40
  6. Step 6: Final answer
    x = 8,159,203.57

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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.