Home / 6,428,140.03-8,871,089.10-3,527,634.69

Finding the Fourth Proportional to 6,428,140.03, 8,871,089.10 and 3,527,634.69

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Solution

The fourth proportional to 6,428,140.03, 8,871,089.10 and 3,527,634.69 is: 4,868,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,140.03 : 8,871,089.10 = 3,527,634.69 : x
  2. Step 2: Convert to fraction form
    6,428,140.03/8,871,089.10 = 3,527,634.69/x
  3. Step 3: Cross multiply
    6,428,140.03x = 8,871,089.10 × 3,527,634.69
  4. Step 4: Simplify right side
    6,428,140.03x = 31,293,961,647,240.88
  5. Step 5: Solve for x
    x = 31,293,961,647,240.88/6,428,140.03
  6. Step 6: Final answer
    x = 4,868,276.28

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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.