Home / 13,763,431.35-20,643,814.31-4,178,892.92

Finding the Fourth Proportional to 13,763,431.35, 20,643,814.31 and 4,178,892.92

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Solution

The fourth proportional to 13,763,431.35, 20,643,814.31 and 4,178,892.92 is: 6,267,934.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,763,431.35 : 20,643,814.31 = 4,178,892.92 : x
  2. Step 2: Convert to fraction form
    13,763,431.35/20,643,814.31 = 4,178,892.92/x
  3. Step 3: Cross multiply
    13,763,431.35x = 20,643,814.31 × 4,178,892.92
  4. Step 4: Simplify right side
    13,763,431.35x = 86,268,289,337,740.16
  5. Step 5: Solve for x
    x = 86,268,289,337,740.16/13,763,431.35
  6. Step 6: Final answer
    x = 6,267,934.73

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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.