Home / 12,647,658.04-18,968,650.14-5,817,672.16

Finding the Fourth Proportional to 12,647,658.04, 18,968,650.14 and 5,817,672.16

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Solution

The fourth proportional to 12,647,658.04, 18,968,650.14 and 5,817,672.16 is: 8,725,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,658.04 : 18,968,650.14 = 5,817,672.16 : x
  2. Step 2: Convert to fraction form
    12,647,658.04/18,968,650.14 = 5,817,672.16/x
  3. Step 3: Cross multiply
    12,647,658.04x = 18,968,650.14 × 5,817,672.16
  4. Step 4: Simplify right side
    12,647,658.04x = 110,353,387,832,258.11
  5. Step 5: Solve for x
    x = 110,353,387,832,258.11/12,647,658.04
  6. Step 6: Final answer
    x = 8,725,203.31

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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.