Home / 13,628,845.20-20,438,842.80-4,528,499.28

Finding the Fourth Proportional to 13,628,845.20, 20,438,842.80 and 4,528,499.28

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Solution

The fourth proportional to 13,628,845.20, 20,438,842.80 and 4,528,499.28 is: 6,791,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,845.20 : 20,438,842.80 = 4,528,499.28 : x
  2. Step 2: Convert to fraction form
    13,628,845.20/20,438,842.80 = 4,528,499.28/x
  3. Step 3: Cross multiply
    13,628,845.20x = 20,438,842.80 × 4,528,499.28
  4. Step 4: Simplify right side
    13,628,845.20x = 92,557,284,903,833.19
  5. Step 5: Solve for x
    x = 92,557,284,903,833.19/13,628,845.20
  6. Step 6: Final answer
    x = 6,791,278.61

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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.