Home / 13,310,286.32-19,967,635.86-4,672,145.30

Finding the Fourth Proportional to 13,310,286.32, 19,967,635.86 and 4,672,145.30

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Solution

The fourth proportional to 13,310,286.32, 19,967,635.86 and 4,672,145.30 is: 7,008,992.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310,286.32 : 19,967,635.86 = 4,672,145.30 : x
  2. Step 2: Convert to fraction form
    13,310,286.32/19,967,635.86 = 4,672,145.30/x
  3. Step 3: Cross multiply
    13,310,286.32x = 19,967,635.86 × 4,672,145.30
  4. Step 4: Simplify right side
    13,310,286.32x = 93,291,695,935,572.28
  5. Step 5: Solve for x
    x = 93,291,695,935,572.28/13,310,286.32
  6. Step 6: Final answer
    x = 7,008,992.42

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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.