Home / 20,519,190.01-28,316,509.77-11,227,633.03

Finding the Fourth Proportional to 20,519,190.01, 28,316,509.77 and 11,227,633.03

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Solution

The fourth proportional to 20,519,190.01, 28,316,509.77 and 11,227,633.03 is: 15,494,148.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,519,190.01 : 28,316,509.77 = 11,227,633.03 : x
  2. Step 2: Convert to fraction form
    20,519,190.01/28,316,509.77 = 11,227,633.03/x
  3. Step 3: Cross multiply
    20,519,190.01x = 28,316,509.77 × 11,227,633.03
  4. Step 4: Simplify right side
    20,519,190.01x = 317,927,380,387,969.69
  5. Step 5: Solve for x
    x = 317,927,380,387,969.69/20,519,190.01
  6. Step 6: Final answer
    x = 15,494,148.66

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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.