Home / 12,745,145.48-19,117,736.51-9,729,632.79

Finding the Fourth Proportional to 12,745,145.48, 19,117,736.51 and 9,729,632.79

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Solution

The fourth proportional to 12,745,145.48, 19,117,736.51 and 9,729,632.79 is: 14,594,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,145.48 : 19,117,736.51 = 9,729,632.79 : x
  2. Step 2: Convert to fraction form
    12,745,145.48/19,117,736.51 = 9,729,632.79/x
  3. Step 3: Cross multiply
    12,745,145.48x = 19,117,736.51 × 9,729,632.79
  4. Step 4: Simplify right side
    12,745,145.48x = 186,008,555,969,627.97
  5. Step 5: Solve for x
    x = 186,008,555,969,627.97/12,745,145.48
  6. Step 6: Final answer
    x = 14,594,463.15

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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.