Home / 12,745,146.48-19,117,738.01-9,729,633.79

Finding the Fourth Proportional to 12,745,146.48, 19,117,738.01 and 9,729,633.79

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Solution

The fourth proportional to 12,745,146.48, 19,117,738.01 and 9,729,633.79 is: 14,594,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,146.48 : 19,117,738.01 = 9,729,633.79 : x
  2. Step 2: Convert to fraction form
    12,745,146.48/19,117,738.01 = 9,729,633.79/x
  3. Step 3: Cross multiply
    12,745,146.48x = 19,117,738.01 × 9,729,633.79
  4. Step 4: Simplify right side
    12,745,146.48x = 186,008,589,730,463.34
  5. Step 5: Solve for x
    x = 186,008,589,730,463.34/12,745,146.48
  6. Step 6: Final answer
    x = 14,594,464.65

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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.