Home / 10,479,942-15,719,913-2,906,907.75

Finding the Fourth Proportional to 10,479,942, 15,719,913 and 2,906,907.75

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Solution

The fourth proportional to 10,479,942, 15,719,913 and 2,906,907.75 is: 4,360,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479,942 : 15,719,913 = 2,906,907.75 : x
  2. Step 2: Convert to fraction form
    10,479,942/15,719,913 = 2,906,907.75/x
  3. Step 3: Cross multiply
    10,479,942x = 15,719,913 × 2,906,907.75
  4. Step 4: Simplify right side
    10,479,942x = 45,696,336,929,025.75
  5. Step 5: Solve for x
    x = 45,696,336,929,025.75/10,479,942
  6. Step 6: Final answer
    x = 4,360,361.63

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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.