Home / 12,612,657.84-17,405,466.60-6,811,438.92

Finding the Fourth Proportional to 12,612,657.84, 17,405,466.60 and 6,811,438.92

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Solution

The fourth proportional to 12,612,657.84, 17,405,466.60 and 6,811,438.92 is: 9,399,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,657.84 : 17,405,466.60 = 6,811,438.92 : x
  2. Step 2: Convert to fraction form
    12,612,657.84/17,405,466.60 = 6,811,438.92/x
  3. Step 3: Cross multiply
    12,612,657.84x = 17,405,466.60 × 6,811,438.92
  4. Step 4: Simplify right side
    12,612,657.84x = 118,556,272,620,000.08
  5. Step 5: Solve for x
    x = 118,556,272,620,000.08/12,612,657.84
  6. Step 6: Final answer
    x = 9,399,785.05

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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.