Home / 11,133,028.80-16,699,543.20-3,945,289.28

Finding the Fourth Proportional to 11,133,028.80, 16,699,543.20 and 3,945,289.28

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Solution

The fourth proportional to 11,133,028.80, 16,699,543.20 and 3,945,289.28 is: 5,917,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133,028.80 : 16,699,543.20 = 3,945,289.28 : x
  2. Step 2: Convert to fraction form
    11,133,028.80/16,699,543.20 = 3,945,289.28/x
  3. Step 3: Cross multiply
    11,133,028.80x = 16,699,543.20 × 3,945,289.28
  4. Step 4: Simplify right side
    11,133,028.80x = 65,884,528,767,856.89
  5. Step 5: Solve for x
    x = 65,884,528,767,856.89/11,133,028.80
  6. Step 6: Final answer
    x = 5,917,933.92

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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.