Home / 20,734,781.52-28,614,010.80-11,567,424.24

Finding the Fourth Proportional to 20,734,781.52, 28,614,010.80 and 11,567,424.24

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Solution

The fourth proportional to 20,734,781.52, 28,614,010.80 and 11,567,424.24 is: 15,963,052.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,781.52 : 28,614,010.80 = 11,567,424.24 : x
  2. Step 2: Convert to fraction form
    20,734,781.52/28,614,010.80 = 11,567,424.24/x
  3. Step 3: Cross multiply
    20,734,781.52x = 28,614,010.80 × 11,567,424.24
  4. Step 4: Simplify right side
    20,734,781.52x = 330,990,402,131,541.81
  5. Step 5: Solve for x
    x = 330,990,402,131,541.81/20,734,781.52
  6. Step 6: Final answer
    x = 15,963,052.31

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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.