Home / 9,145,216.57-12,619,238.92-5,014,160.64

Finding the Fourth Proportional to 9,145,216.57, 12,619,238.92 and 5,014,160.64

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Solution

The fourth proportional to 9,145,216.57, 12,619,238.92 and 5,014,160.64 is: 6,918,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145,216.57 : 12,619,238.92 = 5,014,160.64 : x
  2. Step 2: Convert to fraction form
    9,145,216.57/12,619,238.92 = 5,014,160.64/x
  3. Step 3: Cross multiply
    9,145,216.57x = 12,619,238.92 × 5,014,160.64
  4. Step 4: Simplify right side
    9,145,216.57x = 63,274,891,099,420.10
  5. Step 5: Solve for x
    x = 63,274,891,099,420.10/9,145,216.57
  6. Step 6: Final answer
    x = 6,918,905.70

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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.