Home / 10,878,787.72-15,011,651.26-6,231,680.60

Finding the Fourth Proportional to 10,878,787.72, 15,011,651.26 and 6,231,680.60

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Solution

The fourth proportional to 10,878,787.72, 15,011,651.26 and 6,231,680.60 is: 8,599,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878,787.72 : 15,011,651.26 = 6,231,680.60 : x
  2. Step 2: Convert to fraction form
    10,878,787.72/15,011,651.26 = 6,231,680.60/x
  3. Step 3: Cross multiply
    10,878,787.72x = 15,011,651.26 × 6,231,680.60
  4. Step 4: Simplify right side
    10,878,787.72x = 93,547,815,930,907.55
  5. Step 5: Solve for x
    x = 93,547,815,930,907.55/10,878,787.72
  6. Step 6: Final answer
    x = 8,599,102.98

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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.