Home / 13,319,234.62-18,378,566.55-8,089,521.34

Finding the Fourth Proportional to 13,319,234.62, 18,378,566.55 and 8,089,521.34

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Solution

The fourth proportional to 13,319,234.62, 18,378,566.55 and 8,089,521.34 is: 11,162,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319,234.62 : 18,378,566.55 = 8,089,521.34 : x
  2. Step 2: Convert to fraction form
    13,319,234.62/18,378,566.55 = 8,089,521.34/x
  3. Step 3: Cross multiply
    13,319,234.62x = 18,378,566.55 × 8,089,521.34
  4. Step 4: Simplify right side
    13,319,234.62x = 148,673,806,304,835.19
  5. Step 5: Solve for x
    x = 148,673,806,304,835.19/13,319,234.62
  6. Step 6: Final answer
    x = 11,162,338.57

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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.