Home / 13,456,428.23-20,187,733.31-3,871,886.15

Finding the Fourth Proportional to 13,456,428.23, 20,187,733.31 and 3,871,886.15

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Solution

The fourth proportional to 13,456,428.23, 20,187,733.31 and 3,871,886.15 is: 5,808,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,428.23 : 20,187,733.31 = 3,871,886.15 : x
  2. Step 2: Convert to fraction form
    13,456,428.23/20,187,733.31 = 3,871,886.15/x
  3. Step 3: Cross multiply
    13,456,428.23x = 20,187,733.31 × 3,871,886.15
  4. Step 4: Simplify right side
    13,456,428.23x = 78,164,604,882,584.56
  5. Step 5: Solve for x
    x = 78,164,604,882,584.56/13,456,428.23
  6. Step 6: Final answer
    x = 5,808,718.60

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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.