Home / 13,913,510.91-20,871,696.45-4,815,593.64

Finding the Fourth Proportional to 13,913,510.91, 20,871,696.45 and 4,815,593.64

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Solution

The fourth proportional to 13,913,510.91, 20,871,696.45 and 4,815,593.64 is: 7,223,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913,510.91 : 20,871,696.45 = 4,815,593.64 : x
  2. Step 2: Convert to fraction form
    13,913,510.91/20,871,696.45 = 4,815,593.64/x
  3. Step 3: Cross multiply
    13,913,510.91x = 20,871,696.45 × 4,815,593.64
  4. Step 4: Simplify right side
    13,913,510.91x = 100,509,608,698,689.05
  5. Step 5: Solve for x
    x = 100,509,608,698,689.05/13,913,510.91
  6. Step 6: Final answer
    x = 7,223,885.43

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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.