Home / 11,430,013.10-15,769,346.07-6,780,236.50

Finding the Fourth Proportional to 11,430,013.10, 15,769,346.07 and 6,780,236.50

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Solution

The fourth proportional to 11,430,013.10, 15,769,346.07 and 6,780,236.50 is: 9,354,310.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430,013.10 : 15,769,346.07 = 6,780,236.50 : x
  2. Step 2: Convert to fraction form
    11,430,013.10/15,769,346.07 = 6,780,236.50/x
  3. Step 3: Cross multiply
    11,430,013.10x = 15,769,346.07 × 6,780,236.50
  4. Step 4: Simplify right side
    11,430,013.10x = 106,919,895,796,203.56
  5. Step 5: Solve for x
    x = 106,919,895,796,203.56/11,430,013.10
  6. Step 6: Final answer
    x = 9,354,310.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.