Home / 13,472,578.10-20,210,548.86-5,274,161.42

Finding the Fourth Proportional to 13,472,578.10, 20,210,548.86 and 5,274,161.42

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Solution

The fourth proportional to 13,472,578.10, 20,210,548.86 and 5,274,161.42 is: 7,911,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,578.10 : 20,210,548.86 = 5,274,161.42 : x
  2. Step 2: Convert to fraction form
    13,472,578.10/20,210,548.86 = 5,274,161.42/x
  3. Step 3: Cross multiply
    13,472,578.10x = 20,210,548.86 × 5,274,161.42
  4. Step 4: Simplify right side
    13,472,578.10x = 106,593,697,074,436.97
  5. Step 5: Solve for x
    x = 106,593,697,074,436.97/13,472,578.10
  6. Step 6: Final answer
    x = 7,911,900.48

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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.