Home / 9,164,691.21-12,645,867.96-5,296,465.33

Finding the Fourth Proportional to 9,164,691.21, 12,645,867.96 and 5,296,465.33

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Solution

The fourth proportional to 9,164,691.21, 12,645,867.96 and 5,296,465.33 is: 7,308,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164,691.21 : 12,645,867.96 = 5,296,465.33 : x
  2. Step 2: Convert to fraction form
    9,164,691.21/12,645,867.96 = 5,296,465.33/x
  3. Step 3: Cross multiply
    9,164,691.21x = 12,645,867.96 × 5,296,465.33
  4. Step 4: Simplify right side
    9,164,691.21x = 66,978,401,217,897.84
  5. Step 5: Solve for x
    x = 66,978,401,217,897.84/9,164,691.21
  6. Step 6: Final answer
    x = 7,308,309.65

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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.