Home / 13,716,882.32-18,920,621.40-8,813,676.80

Finding the Fourth Proportional to 13,716,882.32, 18,920,621.40 and 8,813,676.80

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Solution

The fourth proportional to 13,716,882.32, 18,920,621.40 and 8,813,676.80 is: 12,157,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716,882.32 : 18,920,621.40 = 8,813,676.80 : x
  2. Step 2: Convert to fraction form
    13,716,882.32/18,920,621.40 = 8,813,676.80/x
  3. Step 3: Cross multiply
    13,716,882.32x = 18,920,621.40 × 8,813,676.80
  4. Step 4: Simplify right side
    13,716,882.32x = 166,760,241,874,763.53
  5. Step 5: Solve for x
    x = 166,760,241,874,763.53/13,716,882.32
  6. Step 6: Final answer
    x = 12,157,299.16

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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.