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Finding the Fourth Proportional to 9,893,514.15, 14,839,779.15 and 5,101,687.80

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Solution

The fourth proportional to 9,893,514.15, 14,839,779.15 and 5,101,687.80 is: 7,652,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893,514.15 : 14,839,779.15 = 5,101,687.80 : x
  2. Step 2: Convert to fraction form
    9,893,514.15/14,839,779.15 = 5,101,687.80/x
  3. Step 3: Cross multiply
    9,893,514.15x = 14,839,779.15 × 5,101,687.80
  4. Step 4: Simplify right side
    9,893,514.15x = 75,707,920,244,249.38
  5. Step 5: Solve for x
    x = 75,707,920,244,249.38/9,893,514.15
  6. Step 6: Final answer
    x = 7,652,277.96

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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.