Home / 6,709,728.20-10,069,841.10-3,115,940.45

Finding the Fourth Proportional to 6,709,728.20, 10,069,841.10 and 3,115,940.45

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Solution

The fourth proportional to 6,709,728.20, 10,069,841.10 and 3,115,940.45 is: 4,676,348.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,709,728.20 : 10,069,841.10 = 3,115,940.45 : x
  2. Step 2: Convert to fraction form
    6,709,728.20/10,069,841.10 = 3,115,940.45/x
  3. Step 3: Cross multiply
    6,709,728.20x = 10,069,841.10 × 3,115,940.45
  4. Step 4: Simplify right side
    6,709,728.20x = 31,377,025,208,562.50
  5. Step 5: Solve for x
    x = 31,377,025,208,562.50/6,709,728.20
  6. Step 6: Final answer
    x = 4,676,348.17

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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.