Home / 15,527,999.82-21,430,234.32-9,335,051.43

Finding the Fourth Proportional to 15,527,999.82, 21,430,234.32 and 9,335,051.43

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Solution

The fourth proportional to 15,527,999.82, 21,430,234.32 and 9,335,051.43 is: 12,883,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527,999.82 : 21,430,234.32 = 9,335,051.43 : x
  2. Step 2: Convert to fraction form
    15,527,999.82/21,430,234.32 = 9,335,051.43/x
  3. Step 3: Cross multiply
    15,527,999.82x = 21,430,234.32 × 9,335,051.43
  4. Step 4: Simplify right side
    15,527,999.82x = 200,052,339,534,151.06
  5. Step 5: Solve for x
    x = 200,052,339,534,151.06/15,527,999.82
  6. Step 6: Final answer
    x = 12,883,329.59

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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.