Home / 9,287,199.60-12,815,632.26-5,212,031.28

Finding the Fourth Proportional to 9,287,199.60, 12,815,632.26 and 5,212,031.28

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Solution

The fourth proportional to 9,287,199.60, 12,815,632.26 and 5,212,031.28 is: 7,192,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287,199.60 : 12,815,632.26 = 5,212,031.28 : x
  2. Step 2: Convert to fraction form
    9,287,199.60/12,815,632.26 = 5,212,031.28/x
  3. Step 3: Cross multiply
    9,287,199.60x = 12,815,632.26 × 5,212,031.28
  4. Step 4: Simplify right side
    9,287,199.60x = 66,795,476,212,097.09
  5. Step 5: Solve for x
    x = 66,795,476,212,097.09/9,287,199.60
  6. Step 6: Final answer
    x = 7,192,208.53

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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.