Home / 13,534,873.08-18,678,268.62-7,339,931.88

Finding the Fourth Proportional to 13,534,873.08, 18,678,268.62 and 7,339,931.88

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Solution

The fourth proportional to 13,534,873.08, 18,678,268.62 and 7,339,931.88 is: 10,129,183.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534,873.08 : 18,678,268.62 = 7,339,931.88 : x
  2. Step 2: Convert to fraction form
    13,534,873.08/18,678,268.62 = 7,339,931.88/x
  3. Step 3: Cross multiply
    13,534,873.08x = 18,678,268.62 × 7,339,931.88
  4. Step 4: Simplify right side
    13,534,873.08x = 137,097,219,307,141.61
  5. Step 5: Solve for x
    x = 137,097,219,307,141.61/13,534,873.08
  6. Step 6: Final answer
    x = 10,129,183.96

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Why These Related Problems?

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