Home / 18,902,271-26,085,265.20-10,753,509

Finding the Fourth Proportional to 18,902,271, 26,085,265.20 and 10,753,509

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Solution

The fourth proportional to 18,902,271, 26,085,265.20 and 10,753,509 is: 14,839,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902,271 : 26,085,265.20 = 10,753,509 : x
  2. Step 2: Convert to fraction form
    18,902,271/26,085,265.20 = 10,753,509/x
  3. Step 3: Cross multiply
    18,902,271x = 26,085,265.20 × 10,753,509
  4. Step 4: Simplify right side
    18,902,271x = 280,508,134,095,586.78
  5. Step 5: Solve for x
    x = 280,508,134,095,586.78/18,902,271
  6. Step 6: Final answer
    x = 14,839,917.07

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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.