Home / 12,881,093.30-17,777,590.53-8,310,710.42

Finding the Fourth Proportional to 12,881,093.30, 17,777,590.53 and 8,310,710.42

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Solution

The fourth proportional to 12,881,093.30, 17,777,590.53 and 8,310,710.42 is: 11,469,865.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881,093.30 : 17,777,590.53 = 8,310,710.42 : x
  2. Step 2: Convert to fraction form
    12,881,093.30/17,777,590.53 = 8,310,710.42/x
  3. Step 3: Cross multiply
    12,881,093.30x = 17,777,590.53 × 8,310,710.42
  4. Step 4: Simplify right side
    12,881,093.30x = 147,744,406,860,164.34
  5. Step 5: Solve for x
    x = 147,744,406,860,164.34/12,881,093.30
  6. Step 6: Final answer
    x = 11,469,865.44

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1.5x scale

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.