Home / 21,345,804.86-32,007,190.91-11,085,352.20

Finding the Fourth Proportional to 21,345,804.86, 32,007,190.91 and 11,085,352.20

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Solution

The fourth proportional to 21,345,804.86, 32,007,190.91 and 11,085,352.20 is: 16,622,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,345,804.86 : 32,007,190.91 = 11,085,352.20 : x
  2. Step 2: Convert to fraction form
    21,345,804.86/32,007,190.91 = 11,085,352.20/x
  3. Step 3: Cross multiply
    21,345,804.86x = 32,007,190.91 × 11,085,352.20
  4. Step 4: Simplify right side
    21,345,804.86x = 354,810,984,114,561.75
  5. Step 5: Solve for x
    x = 354,810,984,114,561.75/21,345,804.86
  6. Step 6: Final answer
    x = 16,622,047.59

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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.