Home / 12,745,801.86-19,100,157-7,877,714.82

Finding the Fourth Proportional to 12,745,801.86, 19,100,157 and 7,877,714.82

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Solution

The fourth proportional to 12,745,801.86, 19,100,157 and 7,877,714.82 is: 11,805,109.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,801.86 : 19,100,157 = 7,877,714.82 : x
  2. Step 2: Convert to fraction form
    12,745,801.86/19,100,157 = 7,877,714.82/x
  3. Step 3: Cross multiply
    12,745,801.86x = 19,100,157 × 7,877,714.82
  4. Step 4: Simplify right side
    12,745,801.86x = 150,465,589,863,226.75
  5. Step 5: Solve for x
    x = 150,465,589,863,226.75/12,745,801.86
  6. Step 6: Final answer
    x = 11,805,109.75

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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.