Home / 18,801,105.27-28,209,632.25-10,271,477.22

Finding the Fourth Proportional to 18,801,105.27, 28,209,632.25 and 10,271,477.22

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Solution

The fourth proportional to 18,801,105.27, 28,209,632.25 and 10,271,477.22 is: 15,411,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,105.27 : 28,209,632.25 = 10,271,477.22 : x
  2. Step 2: Convert to fraction form
    18,801,105.27/28,209,632.25 = 10,271,477.22/x
  3. Step 3: Cross multiply
    18,801,105.27x = 28,209,632.25 × 10,271,477.22
  4. Step 4: Simplify right side
    18,801,105.27x = 289,754,595,040,452.38
  5. Step 5: Solve for x
    x = 289,754,595,040,452.38/18,801,105.27
  6. Step 6: Final answer
    x = 15,411,572.40

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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.