Home / 18,979,567.38-28,463,462.90-6,847,453.66

Finding the Fourth Proportional to 18,979,567.38, 28,463,462.90 and 6,847,453.66

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Solution

The fourth proportional to 18,979,567.38, 28,463,462.90 and 6,847,453.66 is: 10,269,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979,567.38 : 28,463,462.90 = 6,847,453.66 : x
  2. Step 2: Convert to fraction form
    18,979,567.38/28,463,462.90 = 6,847,453.66/x
  3. Step 3: Cross multiply
    18,979,567.38x = 28,463,462.90 × 6,847,453.66
  4. Step 4: Simplify right side
    18,979,567.38x = 194,902,243,210,879.22
  5. Step 5: Solve for x
    x = 194,902,243,210,879.22/18,979,567.38
  6. Step 6: Final answer
    x = 10,269,056.15

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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.