Home / 13,501,028.20-20,233,827.60-5,407,378.60

Finding the Fourth Proportional to 13,501,028.20, 20,233,827.60 and 5,407,378.60

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Solution

The fourth proportional to 13,501,028.20, 20,233,827.60 and 5,407,378.60 is: 8,103,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501,028.20 : 20,233,827.60 = 5,407,378.60 : x
  2. Step 2: Convert to fraction form
    13,501,028.20/20,233,827.60 = 5,407,378.60/x
  3. Step 3: Cross multiply
    13,501,028.20x = 20,233,827.60 × 5,407,378.60
  4. Step 4: Simplify right side
    13,501,028.20x = 109,411,966,360,329.36
  5. Step 5: Solve for x
    x = 109,411,966,360,329.36/13,501,028.20
  6. Step 6: Final answer
    x = 8,103,972.88

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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.