Home / 7,152,871.64-9,871,222.52-4,097,676.38

Finding the Fourth Proportional to 7,152,871.64, 9,871,222.52 and 4,097,676.38

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Solution

The fourth proportional to 7,152,871.64, 9,871,222.52 and 4,097,676.38 is: 5,654,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152,871.64 : 9,871,222.52 = 4,097,676.38 : x
  2. Step 2: Convert to fraction form
    7,152,871.64/9,871,222.52 = 4,097,676.38/x
  3. Step 3: Cross multiply
    7,152,871.64x = 9,871,222.52 × 4,097,676.38
  4. Step 4: Simplify right side
    7,152,871.64x = 40,449,075,322,816.16
  5. Step 5: Solve for x
    x = 40,449,075,322,816.16/7,152,871.64
  6. Step 6: Final answer
    x = 5,654,942.15

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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.