Home / 12,138,986.16-16,751,605.38-6,632,242.74

Finding the Fourth Proportional to 12,138,986.16, 16,751,605.38 and 6,632,242.74

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Solution

The fourth proportional to 12,138,986.16, 16,751,605.38 and 6,632,242.74 is: 9,152,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,986.16 : 16,751,605.38 = 6,632,242.74 : x
  2. Step 2: Convert to fraction form
    12,138,986.16/16,751,605.38 = 6,632,242.74/x
  3. Step 3: Cross multiply
    12,138,986.16x = 16,751,605.38 × 6,632,242.74
  4. Step 4: Simplify right side
    12,138,986.16x = 111,100,713,164,849.95
  5. Step 5: Solve for x
    x = 111,100,713,164,849.95/12,138,986.16
  6. Step 6: Final answer
    x = 9,152,388.16

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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.