Home / 14,429,456.32-19,912,971.96-8,234,379.64

Finding the Fourth Proportional to 14,429,456.32, 19,912,971.96 and 8,234,379.64

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Solution

The fourth proportional to 14,429,456.32, 19,912,971.96 and 8,234,379.64 is: 11,363,627.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429,456.32 : 19,912,971.96 = 8,234,379.64 : x
  2. Step 2: Convert to fraction form
    14,429,456.32/19,912,971.96 = 8,234,379.64/x
  3. Step 3: Cross multiply
    14,429,456.32x = 19,912,971.96 × 8,234,379.64
  4. Step 4: Simplify right side
    14,429,456.32x = 163,970,970,879,314.91
  5. Step 5: Solve for x
    x = 163,970,970,879,314.91/14,429,456.32
  6. Step 6: Final answer
    x = 11,363,627.79

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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.