Home / 13,612,999.60-20,419,499.40-5,092,228.90

Finding the Fourth Proportional to 13,612,999.60, 20,419,499.40 and 5,092,228.90

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Solution

The fourth proportional to 13,612,999.60, 20,419,499.40 and 5,092,228.90 is: 7,638,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,999.60 : 20,419,499.40 = 5,092,228.90 : x
  2. Step 2: Convert to fraction form
    13,612,999.60/20,419,499.40 = 5,092,228.90/x
  3. Step 3: Cross multiply
    13,612,999.60x = 20,419,499.40 × 5,092,228.90
  4. Step 4: Simplify right side
    13,612,999.60x = 103,980,764,968,212.66
  5. Step 5: Solve for x
    x = 103,980,764,968,212.66/13,612,999.60
  6. Step 6: Final answer
    x = 7,638,343.35

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1.5x scale

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.