Home / 18,677,469.38-25,775,301.40-10,528,707.38

Finding the Fourth Proportional to 18,677,469.38, 25,775,301.40 and 10,528,707.38

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Solution

The fourth proportional to 18,677,469.38, 25,775,301.40 and 10,528,707.38 is: 14,529,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,469.38 : 25,775,301.40 = 10,528,707.38 : x
  2. Step 2: Convert to fraction form
    18,677,469.38/25,775,301.40 = 10,528,707.38/x
  3. Step 3: Cross multiply
    18,677,469.38x = 25,775,301.40 × 10,528,707.38
  4. Step 4: Simplify right side
    18,677,469.38x = 271,380,605,916,706.06
  5. Step 5: Solve for x
    x = 271,380,605,916,706.06/18,677,469.38
  6. Step 6: Final answer
    x = 14,529,838.09

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1.5x scale

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.