Home / 8,372,633.46-12,550,978.53-2,688,871.97

Finding the Fourth Proportional to 8,372,633.46, 12,550,978.53 and 2,688,871.97

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Solution

The fourth proportional to 8,372,633.46, 12,550,978.53 and 2,688,871.97 is: 4,030,747.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,633.46 : 12,550,978.53 = 2,688,871.97 : x
  2. Step 2: Convert to fraction form
    8,372,633.46/12,550,978.53 = 2,688,871.97/x
  3. Step 3: Cross multiply
    8,372,633.46x = 12,550,978.53 × 2,688,871.97
  4. Step 4: Simplify right side
    8,372,633.46x = 33,747,974,302,633.91
  5. Step 5: Solve for x
    x = 33,747,974,302,633.91/8,372,633.46
  6. Step 6: Final answer
    x = 4,030,747.85

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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.