Home / 15,445,885.46-21,314,841.76-8,476,383.84

Finding the Fourth Proportional to 15,445,885.46, 21,314,841.76 and 8,476,383.84

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Solution

The fourth proportional to 15,445,885.46, 21,314,841.76 and 8,476,383.84 is: 11,697,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,445,885.46 : 21,314,841.76 = 8,476,383.84 : x
  2. Step 2: Convert to fraction form
    15,445,885.46/21,314,841.76 = 8,476,383.84/x
  3. Step 3: Cross multiply
    15,445,885.46x = 21,314,841.76 × 8,476,383.84
  4. Step 4: Simplify right side
    15,445,885.46x = 180,672,780,289,467.62
  5. Step 5: Solve for x
    x = 180,672,780,289,467.62/15,445,885.46
  6. Step 6: Final answer
    x = 11,697,146.19

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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.