Home / 53,638,512.60-80,457,768.90-13,248,996.60

Finding the Fourth Proportional to 53,638,512.60, 80,457,768.90 and 13,248,996.60

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Solution

The fourth proportional to 53,638,512.60, 80,457,768.90 and 13,248,996.60 is: 19,873,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,638,512.60 : 80,457,768.90 = 13,248,996.60 : x
  2. Step 2: Convert to fraction form
    53,638,512.60/80,457,768.90 = 13,248,996.60/x
  3. Step 3: Cross multiply
    53,638,512.60x = 80,457,768.90 × 13,248,996.60
  4. Step 4: Simplify right side
    53,638,512.60x = 1,065,984,706,599,685.75
  5. Step 5: Solve for x
    x = 1,065,984,706,599,685.75/53,638,512.60
  6. Step 6: Final answer
    x = 19,873,494.90

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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.