Home / 12,806,514.60-17,672,990.16-6,926,148.75

Finding the Fourth Proportional to 12,806,514.60, 17,672,990.16 and 6,926,148.75

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Solution

The fourth proportional to 12,806,514.60, 17,672,990.16 and 6,926,148.75 is: 9,558,085.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,806,514.60 : 17,672,990.16 = 6,926,148.75 : x
  2. Step 2: Convert to fraction form
    12,806,514.60/17,672,990.16 = 6,926,148.75/x
  3. Step 3: Cross multiply
    12,806,514.60x = 17,672,990.16 × 6,926,148.75
  4. Step 4: Simplify right side
    12,806,514.60x = 122,405,758,705,446.30
  5. Step 5: Solve for x
    x = 122,405,758,705,446.30/12,806,514.60
  6. Step 6: Final answer
    x = 9,558,085.28

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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.