Home / 21,335,999.10-32,003,998.65-5,379,647.10

Finding the Fourth Proportional to 21,335,999.10, 32,003,998.65 and 5,379,647.10

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Solution

The fourth proportional to 21,335,999.10, 32,003,998.65 and 5,379,647.10 is: 8,069,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,999.10 : 32,003,998.65 = 5,379,647.10 : x
  2. Step 2: Convert to fraction form
    21,335,999.10/32,003,998.65 = 5,379,647.10/x
  3. Step 3: Cross multiply
    21,335,999.10x = 32,003,998.65 × 5,379,647.10
  4. Step 4: Simplify right side
    21,335,999.10x = 172,170,218,525,876.41
  5. Step 5: Solve for x
    x = 172,170,218,525,876.41/21,335,999.10
  6. Step 6: Final answer
    x = 8,069,470.65

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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.