Home / 11,583,061.53-15,986,543.63-6,428,078.97

Finding the Fourth Proportional to 11,583,061.53, 15,986,543.63 and 6,428,078.97

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Solution

The fourth proportional to 11,583,061.53, 15,986,543.63 and 6,428,078.97 is: 8,871,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,583,061.53 : 15,986,543.63 = 6,428,078.97 : x
  2. Step 2: Convert to fraction form
    11,583,061.53/15,986,543.63 = 6,428,078.97/x
  3. Step 3: Cross multiply
    11,583,061.53x = 15,986,543.63 × 6,428,078.97
  4. Step 4: Simplify right side
    11,583,061.53x = 102,762,764,910,990.47
  5. Step 5: Solve for x
    x = 102,762,764,910,990.47/11,583,061.53
  6. Step 6: Final answer
    x = 8,871,813.78

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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.