Home / 10,780,734.40-16,157,116.32-4,383,540.16

Finding the Fourth Proportional to 10,780,734.40, 16,157,116.32 and 4,383,540.16

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Solution

The fourth proportional to 10,780,734.40, 16,157,116.32 and 4,383,540.16 is: 6,569,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780,734.40 : 16,157,116.32 = 4,383,540.16 : x
  2. Step 2: Convert to fraction form
    10,780,734.40/16,157,116.32 = 4,383,540.16/x
  3. Step 3: Cross multiply
    10,780,734.40x = 16,157,116.32 × 4,383,540.16
  4. Step 4: Simplify right side
    10,780,734.40x = 70,825,368,258,511.42
  5. Step 5: Solve for x
    x = 70,825,368,258,511.42/10,780,734.40
  6. Step 6: Final answer
    x = 6,569,623.70

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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.