Home / 13,456,418.10-20,187,718.11-3,871,876.02

Finding the Fourth Proportional to 13,456,418.10, 20,187,718.11 and 3,871,876.02

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Solution

The fourth proportional to 13,456,418.10, 20,187,718.11 and 3,871,876.02 is: 5,808,703.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,456,418.10 : 20,187,718.11 = 3,871,876.02 : x
  2. Step 2: Convert to fraction form
    13,456,418.10/20,187,718.11 = 3,871,876.02/x
  3. Step 3: Cross multiply
    13,456,418.10x = 20,187,718.11 × 3,871,876.02
  4. Step 4: Simplify right side
    13,456,418.10x = 78,164,341,648,628.72
  5. Step 5: Solve for x
    x = 78,164,341,648,628.72/13,456,418.10
  6. Step 6: Final answer
    x = 5,808,703.41

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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.