Home / 21,743,428.86-32,615,149.77-6,390,721.26

Finding the Fourth Proportional to 21,743,428.86, 32,615,149.77 and 6,390,721.26

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Solution

The fourth proportional to 21,743,428.86, 32,615,149.77 and 6,390,721.26 is: 9,586,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,428.86 : 32,615,149.77 = 6,390,721.26 : x
  2. Step 2: Convert to fraction form
    21,743,428.86/32,615,149.77 = 6,390,721.26/x
  3. Step 3: Cross multiply
    21,743,428.86x = 32,615,149.77 × 6,390,721.26
  4. Step 4: Simplify right side
    21,743,428.86x = 208,434,331,033,223.09
  5. Step 5: Solve for x
    x = 208,434,331,033,223.09/21,743,428.86
  6. Step 6: Final answer
    x = 9,586,083.79

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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.