Home / 15,246,191.44-21,039,785.58-8,371,118.80

Finding the Fourth Proportional to 15,246,191.44, 21,039,785.58 and 8,371,118.80

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Solution

The fourth proportional to 15,246,191.44, 21,039,785.58 and 8,371,118.80 is: 11,552,166.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246,191.44 : 21,039,785.58 = 8,371,118.80 : x
  2. Step 2: Convert to fraction form
    15,246,191.44/21,039,785.58 = 8,371,118.80/x
  3. Step 3: Cross multiply
    15,246,191.44x = 21,039,785.58 × 8,371,118.80
  4. Step 4: Simplify right side
    15,246,191.44x = 176,126,544,616,706.88
  5. Step 5: Solve for x
    x = 176,126,544,616,706.88/15,246,191.44
  6. Step 6: Final answer
    x = 11,552,166.67

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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.