Home / 6,283,915.20-9,425,872.80-3,892,430.70

Finding the Fourth Proportional to 6,283,915.20, 9,425,872.80 and 3,892,430.70

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Solution

The fourth proportional to 6,283,915.20, 9,425,872.80 and 3,892,430.70 is: 5,838,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283,915.20 : 9,425,872.80 = 3,892,430.70 : x
  2. Step 2: Convert to fraction form
    6,283,915.20/9,425,872.80 = 3,892,430.70/x
  3. Step 3: Cross multiply
    6,283,915.20x = 9,425,872.80 × 3,892,430.70
  4. Step 4: Simplify right side
    6,283,915.20x = 36,689,556,661,014.96
  5. Step 5: Solve for x
    x = 36,689,556,661,014.96/6,283,915.20
  6. Step 6: Final answer
    x = 5,838,646.05

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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.