Home / 12,773,147.10-19,159,720.65-8,238,183.90

Finding the Fourth Proportional to 12,773,147.10, 19,159,720.65 and 8,238,183.90

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Solution

The fourth proportional to 12,773,147.10, 19,159,720.65 and 8,238,183.90 is: 12,357,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,773,147.10 : 19,159,720.65 = 8,238,183.90 : x
  2. Step 2: Convert to fraction form
    12,773,147.10/19,159,720.65 = 8,238,183.90/x
  3. Step 3: Cross multiply
    12,773,147.10x = 19,159,720.65 × 8,238,183.90
  4. Step 4: Simplify right side
    12,773,147.10x = 157,841,302,187,327.53
  5. Step 5: Solve for x
    x = 157,841,302,187,327.53/12,773,147.10
  6. Step 6: Final answer
    x = 12,357,275.85

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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.