Home / 7,152,815.80-9,871,145.38-4,097,620.54

Finding the Fourth Proportional to 7,152,815.80, 9,871,145.38 and 4,097,620.54

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Solution

The fourth proportional to 7,152,815.80, 9,871,145.38 and 4,097,620.54 is: 5,654,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,815.80 : 9,871,145.38 = 4,097,620.54 : x
  2. Step 2: Convert to fraction form
    7,152,815.80/9,871,145.38 = 4,097,620.54/x
  3. Step 3: Cross multiply
    7,152,815.80x = 9,871,145.38 × 4,097,620.54
  4. Step 4: Simplify right side
    7,152,815.80x = 40,448,208,062,414.11
  5. Step 5: Solve for x
    x = 40,448,208,062,414.11/7,152,815.80
  6. Step 6: Final answer
    x = 5,654,865.05

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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.