Home / 13,832,920.64-20,745,759.12-4,114,915.28

Finding the Fourth Proportional to 13,832,920.64, 20,745,759.12 and 4,114,915.28

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Solution

The fourth proportional to 13,832,920.64, 20,745,759.12 and 4,114,915.28 is: 6,171,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,920.64 : 20,745,759.12 = 4,114,915.28 : x
  2. Step 2: Convert to fraction form
    13,832,920.64/20,745,759.12 = 4,114,915.28/x
  3. Step 3: Cross multiply
    13,832,920.64x = 20,745,759.12 × 4,114,915.28
  4. Step 4: Simplify right side
    13,832,920.64x = 85,367,041,198,087.36
  5. Step 5: Solve for x
    x = 85,367,041,198,087.36/13,832,920.64
  6. Step 6: Final answer
    x = 6,171,295.52

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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.