Home / 6,428,140.05-8,871,089.15-3,527,634.73

Finding the Fourth Proportional to 6,428,140.05, 8,871,089.15 and 3,527,634.73

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Solution

The fourth proportional to 6,428,140.05, 8,871,089.15 and 3,527,634.73 is: 4,868,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,140.05 : 8,871,089.15 = 3,527,634.73 : x
  2. Step 2: Convert to fraction form
    6,428,140.05/8,871,089.15 = 3,527,634.73/x
  3. Step 3: Cross multiply
    6,428,140.05x = 8,871,089.15 × 3,527,634.73
  4. Step 4: Simplify right side
    6,428,140.05x = 31,293,962,181,740.84
  5. Step 5: Solve for x
    x = 31,293,962,181,740.84/6,428,140.05
  6. Step 6: Final answer
    x = 4,868,276.35

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Double scale
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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.