Home / 15,158,594.41-20,918,914.73-8,283,076.47

Finding the Fourth Proportional to 15,158,594.41, 20,918,914.73 and 8,283,076.47

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Solution

The fourth proportional to 15,158,594.41, 20,918,914.73 and 8,283,076.47 is: 11,430,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,158,594.41 : 20,918,914.73 = 8,283,076.47 : x
  2. Step 2: Convert to fraction form
    15,158,594.41/20,918,914.73 = 8,283,076.47/x
  3. Step 3: Cross multiply
    15,158,594.41x = 20,918,914.73 × 8,283,076.47
  4. Step 4: Simplify right side
    15,158,594.41x = 173,272,970,398,707.09
  5. Step 5: Solve for x
    x = 173,272,970,398,707.09/15,158,594.41
  6. Step 6: Final answer
    x = 11,430,675.28

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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.