Home / 7,378,088.31-10,181,779.92-4,115,114.42

Finding the Fourth Proportional to 7,378,088.31, 10,181,779.92 and 4,115,114.42

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Solution

The fourth proportional to 7,378,088.31, 10,181,779.92 and 4,115,114.42 is: 5,678,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,088.31 : 10,181,779.92 = 4,115,114.42 : x
  2. Step 2: Convert to fraction form
    7,378,088.31/10,181,779.92 = 4,115,114.42/x
  3. Step 3: Cross multiply
    7,378,088.31x = 10,181,779.92 × 4,115,114.42
  4. Step 4: Simplify right side
    7,378,088.31x = 41,899,189,319,149.55
  5. Step 5: Solve for x
    x = 41,899,189,319,149.55/7,378,088.31
  6. Step 6: Final answer
    x = 5,678,867.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.