Home / 6,980,558.10-10,471,821.30-2,187,747.60

Finding the Fourth Proportional to 6,980,558.10, 10,471,821.30 and 2,187,747.60

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Solution

The fourth proportional to 6,980,558.10, 10,471,821.30 and 2,187,747.60 is: 3,281,929.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,558.10 : 10,471,821.30 = 2,187,747.60 : x
  2. Step 2: Convert to fraction form
    6,980,558.10/10,471,821.30 = 2,187,747.60/x
  3. Step 3: Cross multiply
    6,980,558.10x = 10,471,821.30 × 2,187,747.60
  4. Step 4: Simplify right side
    6,980,558.10x = 22,909,701,916,703.88
  5. Step 5: Solve for x
    x = 22,909,701,916,703.88/6,980,558.10
  6. Step 6: Final answer
    x = 3,281,929.84

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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.