Home / 10,761,858.40-16,142,787.60-6,954,728.80

Finding the Fourth Proportional to 10,761,858.40, 16,142,787.60 and 6,954,728.80

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Solution

The fourth proportional to 10,761,858.40, 16,142,787.60 and 6,954,728.80 is: 10,432,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761,858.40 : 16,142,787.60 = 6,954,728.80 : x
  2. Step 2: Convert to fraction form
    10,761,858.40/16,142,787.60 = 6,954,728.80/x
  3. Step 3: Cross multiply
    10,761,858.40x = 16,142,787.60 × 6,954,728.80
  4. Step 4: Simplify right side
    10,761,858.40x = 112,268,709,834,002.88
  5. Step 5: Solve for x
    x = 112,268,709,834,002.88/10,761,858.40
  6. Step 6: Final answer
    x = 10,432,093.20

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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.