Home / 13,107,487.80-19,661,231.70-10,867,999.80

Finding the Fourth Proportional to 13,107,487.80, 19,661,231.70 and 10,867,999.80

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Solution

The fourth proportional to 13,107,487.80, 19,661,231.70 and 10,867,999.80 is: 16,301,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,487.80 : 19,661,231.70 = 10,867,999.80 : x
  2. Step 2: Convert to fraction form
    13,107,487.80/19,661,231.70 = 10,867,999.80/x
  3. Step 3: Cross multiply
    13,107,487.80x = 19,661,231.70 × 10,867,999.80
  4. Step 4: Simplify right side
    13,107,487.80x = 213,678,262,183,353.66
  5. Step 5: Solve for x
    x = 213,678,262,183,353.66/13,107,487.80
  6. Step 6: Final answer
    x = 16,301,999.70

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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.