Home / 19,686,527.70-27,164,144.25-13,149,672.18

Finding the Fourth Proportional to 19,686,527.70, 27,164,144.25 and 13,149,672.18

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Solution

The fourth proportional to 19,686,527.70, 27,164,144.25 and 13,149,672.18 is: 18,144,367.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686,527.70 : 27,164,144.25 = 13,149,672.18 : x
  2. Step 2: Convert to fraction form
    19,686,527.70/27,164,144.25 = 13,149,672.18/x
  3. Step 3: Cross multiply
    19,686,527.70x = 27,164,144.25 × 13,149,672.18
  4. Step 4: Simplify right side
    19,686,527.70x = 357,199,591,937,731.94
  5. Step 5: Solve for x
    x = 357,199,591,937,731.94/19,686,527.70
  6. Step 6: Final answer
    x = 18,144,367.43

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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.