Home / 9,288,272-12,817,765.86-5,102,039.36

Finding the Fourth Proportional to 9,288,272, 12,817,765.86 and 5,102,039.36

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Solution

The fourth proportional to 9,288,272, 12,817,765.86 and 5,102,039.36 is: 7,040,787.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,272 : 12,817,765.86 = 5,102,039.36 : x
  2. Step 2: Convert to fraction form
    9,288,272/12,817,765.86 = 5,102,039.36/x
  3. Step 3: Cross multiply
    9,288,272x = 12,817,765.86 × 5,102,039.36
  4. Step 4: Simplify right side
    9,288,272x = 65,396,745,924,984.25
  5. Step 5: Solve for x
    x = 65,396,745,924,984.25/9,288,272
  6. Step 6: Final answer
    x = 7,040,787.13

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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.