Home / 7,959,736.71-11,938,438.62-3,915,138.87

Finding the Fourth Proportional to 7,959,736.71, 11,938,438.62 and 3,915,138.87

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Solution

The fourth proportional to 7,959,736.71, 11,938,438.62 and 3,915,138.87 is: 5,872,134.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959,736.71 : 11,938,438.62 = 3,915,138.87 : x
  2. Step 2: Convert to fraction form
    7,959,736.71/11,938,438.62 = 3,915,138.87/x
  3. Step 3: Cross multiply
    7,959,736.71x = 11,938,438.62 × 3,915,138.87
  4. Step 4: Simplify right side
    7,959,736.71x = 46,740,645,088,271.16
  5. Step 5: Solve for x
    x = 46,740,645,088,271.16/7,959,736.71
  6. Step 6: Final answer
    x = 5,872,134.57

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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.