Home / 53,989,340.40-80,984,010.60-13,599,824.40

Finding the Fourth Proportional to 53,989,340.40, 80,984,010.60 and 13,599,824.40

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Solution

The fourth proportional to 53,989,340.40, 80,984,010.60 and 13,599,824.40 is: 20,399,736.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,989,340.40 : 80,984,010.60 = 13,599,824.40 : x
  2. Step 2: Convert to fraction form
    53,989,340.40/80,984,010.60 = 13,599,824.40/x
  3. Step 3: Cross multiply
    53,989,340.40x = 80,984,010.60 × 13,599,824.40
  4. Step 4: Simplify right side
    53,989,340.40x = 1,101,368,323,367,738.62
  5. Step 5: Solve for x
    x = 1,101,368,323,367,738.62/53,989,340.40
  6. Step 6: Final answer
    x = 20,399,736.60

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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.