Home / 12,777,150.60-19,165,725.90-11,853,361.80

Finding the Fourth Proportional to 12,777,150.60, 19,165,725.90 and 11,853,361.80

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Solution

The fourth proportional to 12,777,150.60, 19,165,725.90 and 11,853,361.80 is: 17,780,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,150.60 : 19,165,725.90 = 11,853,361.80 : x
  2. Step 2: Convert to fraction form
    12,777,150.60/19,165,725.90 = 11,853,361.80/x
  3. Step 3: Cross multiply
    12,777,150.60x = 19,165,725.90 × 11,853,361.80
  4. Step 4: Simplify right side
    12,777,150.60x = 227,178,283,252,330.62
  5. Step 5: Solve for x
    x = 227,178,283,252,330.62/12,777,150.60
  6. Step 6: Final answer
    x = 17,780,042.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.