Home / 11,123,999.70-16,685,999.55-4,391,538.90

Finding the Fourth Proportional to 11,123,999.70, 16,685,999.55 and 4,391,538.90

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Solution

The fourth proportional to 11,123,999.70, 16,685,999.55 and 4,391,538.90 is: 6,587,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123,999.70 : 16,685,999.55 = 4,391,538.90 : x
  2. Step 2: Convert to fraction form
    11,123,999.70/16,685,999.55 = 4,391,538.90/x
  3. Step 3: Cross multiply
    11,123,999.70x = 16,685,999.55 × 4,391,538.90
  4. Step 4: Simplify right side
    11,123,999.70x = 73,277,216,109,207.50
  5. Step 5: Solve for x
    x = 73,277,216,109,207.50/11,123,999.70
  6. Step 6: Final answer
    x = 6,587,308.35

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1.5x scale

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.