Home / 4,678,972.20-7,018,458.30-3,137,793.30

Finding the Fourth Proportional to 4,678,972.20, 7,018,458.30 and 3,137,793.30

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Solution

The fourth proportional to 4,678,972.20, 7,018,458.30 and 3,137,793.30 is: 4,706,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,972.20 : 7,018,458.30 = 3,137,793.30 : x
  2. Step 2: Convert to fraction form
    4,678,972.20/7,018,458.30 = 3,137,793.30/x
  3. Step 3: Cross multiply
    4,678,972.20x = 7,018,458.30 × 3,137,793.30
  4. Step 4: Simplify right side
    4,678,972.20x = 22,022,471,430,069.39
  5. Step 5: Solve for x
    x = 22,022,471,430,069.39/4,678,972.20
  6. Step 6: Final answer
    x = 4,706,689.95

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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.