Home / 38,504,679.79-53,136,504.83-20,863,568.43

Finding the Fourth Proportional to 38,504,679.79, 53,136,504.83 and 20,863,568.43

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Solution

The fourth proportional to 38,504,679.79, 53,136,504.83 and 20,863,568.43 is: 28,791,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,504,679.79 : 53,136,504.83 = 20,863,568.43 : x
  2. Step 2: Convert to fraction form
    38,504,679.79/53,136,504.83 = 20,863,568.43/x
  3. Step 3: Cross multiply
    38,504,679.79x = 53,136,504.83 × 20,863,568.43
  4. Step 4: Simplify right side
    38,504,679.79x = 1,108,617,104,651,730.50
  5. Step 5: Solve for x
    x = 1,108,617,104,651,730.50/38,504,679.79
  6. Step 6: Final answer
    x = 28,791,749.75

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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.