Home / 20,086,999.50-27,720,256.14-10,919,839.08

Finding the Fourth Proportional to 20,086,999.50, 27,720,256.14 and 10,919,839.08

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Solution

The fourth proportional to 20,086,999.50, 27,720,256.14 and 10,919,839.08 is: 15,069,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,086,999.50 : 27,720,256.14 = 10,919,839.08 : x
  2. Step 2: Convert to fraction form
    20,086,999.50/27,720,256.14 = 10,919,839.08/x
  3. Step 3: Cross multiply
    20,086,999.50x = 27,720,256.14 × 10,919,839.08
  4. Step 4: Simplify right side
    20,086,999.50x = 302,700,736,305,181.94
  5. Step 5: Solve for x
    x = 302,700,736,305,181.94/20,086,999.50
  6. Step 6: Final answer
    x = 15,069,484.93

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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.