Home / 27,390,192.12-37,798,000.38-15,166,786.68

Finding the Fourth Proportional to 27,390,192.12, 37,798,000.38 and 15,166,786.68

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Solution

The fourth proportional to 27,390,192.12, 37,798,000.38 and 15,166,786.68 is: 20,929,908.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390,192.12 : 37,798,000.38 = 15,166,786.68 : x
  2. Step 2: Convert to fraction form
    27,390,192.12/37,798,000.38 = 15,166,786.68/x
  3. Step 3: Cross multiply
    27,390,192.12x = 37,798,000.38 × 15,166,786.68
  4. Step 4: Simplify right side
    27,390,192.12x = 573,274,208,694,019
  5. Step 5: Solve for x
    x = 573,274,208,694,019/27,390,192.12
  6. Step 6: Final answer
    x = 20,929,908.27

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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.