Home / 12,379,445.76-17,084,862.72-6,946,959.36

Finding the Fourth Proportional to 12,379,445.76, 17,084,862.72 and 6,946,959.36

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Solution

The fourth proportional to 12,379,445.76, 17,084,862.72 and 6,946,959.36 is: 9,587,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,445.76 : 17,084,862.72 = 6,946,959.36 : x
  2. Step 2: Convert to fraction form
    12,379,445.76/17,084,862.72 = 6,946,959.36/x
  3. Step 3: Cross multiply
    12,379,445.76x = 17,084,862.72 × 6,946,959.36
  4. Step 4: Simplify right side
    12,379,445.76x = 118,687,846,987,019.06
  5. Step 5: Solve for x
    x = 118,687,846,987,019.06/12,379,445.76
  6. Step 6: Final answer
    x = 9,587,492.79

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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.