Home / 6,400,515.71-8,831,986.24-3,787,099.92

Finding the Fourth Proportional to 6,400,515.71, 8,831,986.24 and 3,787,099.92

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Solution

The fourth proportional to 6,400,515.71, 8,831,986.24 and 3,787,099.92 is: 5,225,768.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,515.71 : 8,831,986.24 = 3,787,099.92 : x
  2. Step 2: Convert to fraction form
    6,400,515.71/8,831,986.24 = 3,787,099.92/x
  3. Step 3: Cross multiply
    6,400,515.71x = 8,831,986.24 × 3,787,099.92
  4. Step 4: Simplify right side
    6,400,515.71x = 33,447,614,382,945.10
  5. Step 5: Solve for x
    x = 33,447,614,382,945.10/6,400,515.71
  6. Step 6: Final answer
    x = 5,225,768.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.