Home / 7,145,725.68-10,712,563.34-3,099,165.75

Finding the Fourth Proportional to 7,145,725.68, 10,712,563.34 and 3,099,165.75

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Solution

The fourth proportional to 7,145,725.68, 10,712,563.34 and 3,099,165.75 is: 4,646,135.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,725.68 : 10,712,563.34 = 3,099,165.75 : x
  2. Step 2: Convert to fraction form
    7,145,725.68/10,712,563.34 = 3,099,165.75/x
  3. Step 3: Cross multiply
    7,145,725.68x = 10,712,563.34 × 3,099,165.75
  4. Step 4: Simplify right side
    7,145,725.68x = 33,200,009,382,537.78
  5. Step 5: Solve for x
    x = 33,200,009,382,537.78/7,145,725.68
  6. Step 6: Final answer
    x = 4,646,135.45

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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.