Home / 18,760,916.70-25,854,681.33-15,035,516.10

Finding the Fourth Proportional to 18,760,916.70, 25,854,681.33 and 15,035,516.10

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Solution

The fourth proportional to 18,760,916.70, 25,854,681.33 and 15,035,516.10 is: 20,720,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,916.70 : 25,854,681.33 = 15,035,516.10 : x
  2. Step 2: Convert to fraction form
    18,760,916.70/25,854,681.33 = 15,035,516.10/x
  3. Step 3: Cross multiply
    18,760,916.70x = 25,854,681.33 × 15,035,516.10
  4. Step 4: Simplify right side
    18,760,916.70x = 388,738,477,397,584.38
  5. Step 5: Solve for x
    x = 388,738,477,397,584.38/18,760,916.70
  6. Step 6: Final answer
    x = 20,720,654.73

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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.