Home / 7,427,945.92-11,142,910.38-2,939,172.16

Finding the Fourth Proportional to 7,427,945.92, 11,142,910.38 and 2,939,172.16

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Solution

The fourth proportional to 7,427,945.92, 11,142,910.38 and 2,939,172.16 is: 4,409,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,945.92 : 11,142,910.38 = 2,939,172.16 : x
  2. Step 2: Convert to fraction form
    7,427,945.92/11,142,910.38 = 2,939,172.16/x
  3. Step 3: Cross multiply
    7,427,945.92x = 11,142,910.38 × 2,939,172.16
  4. Step 4: Simplify right side
    7,427,945.92x = 32,750,931,970,271.02
  5. Step 5: Solve for x
    x = 32,750,931,970,271.02/7,427,945.92
  6. Step 6: Final answer
    x = 4,409,150.57

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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.