Home / 12,138,985.56-16,751,604.66-6,632,242.20

Finding the Fourth Proportional to 12,138,985.56, 16,751,604.66 and 6,632,242.20

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Solution

The fourth proportional to 12,138,985.56, 16,751,604.66 and 6,632,242.20 is: 9,152,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,985.56 : 16,751,604.66 = 6,632,242.20 : x
  2. Step 2: Convert to fraction form
    12,138,985.56/16,751,604.66 = 6,632,242.20/x
  3. Step 3: Cross multiply
    12,138,985.56x = 16,751,604.66 × 6,632,242.20
  4. Step 4: Simplify right side
    12,138,985.56x = 111,100,699,343,768.66
  5. Step 5: Solve for x
    x = 111,100,699,343,768.66/12,138,985.56
  6. Step 6: Final answer
    x = 9,152,387.47

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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.