Home / 12,135,291.12-16,746,587.64-6,628,663.44

Finding the Fourth Proportional to 12,135,291.12, 16,746,587.64 and 6,628,663.44

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Solution

The fourth proportional to 12,135,291.12, 16,746,587.64 and 6,628,663.44 is: 9,147,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,291.12 : 16,746,587.64 = 6,628,663.44 : x
  2. Step 2: Convert to fraction form
    12,135,291.12/16,746,587.64 = 6,628,663.44/x
  3. Step 3: Cross multiply
    12,135,291.12x = 16,746,587.64 × 6,628,663.44
  4. Step 4: Simplify right side
    12,135,291.12x = 111,007,493,234,023.89
  5. Step 5: Solve for x
    x = 111,007,493,234,023.89/12,135,291.12
  6. Step 6: Final answer
    x = 9,147,493.22

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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.