Home / 30,813,969.89-42,522,755.60-17,062,638.77

Finding the Fourth Proportional to 30,813,969.89, 42,522,755.60 and 17,062,638.77

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Solution

The fourth proportional to 30,813,969.89, 42,522,755.60 and 17,062,638.77 is: 23,546,151.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,969.89 : 42,522,755.60 = 17,062,638.77 : x
  2. Step 2: Convert to fraction form
    30,813,969.89/42,522,755.60 = 17,062,638.77/x
  3. Step 3: Cross multiply
    30,813,969.89x = 42,522,755.60 × 17,062,638.77
  4. Step 4: Simplify right side
    30,813,969.89x = 725,550,418,009,867.62
  5. Step 5: Solve for x
    x = 725,550,418,009,867.62/30,813,969.89
  6. Step 6: Final answer
    x = 23,546,151.98

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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.