Home / 20,428,699.00-28,190,585.14-11,606,984.80

Finding the Fourth Proportional to 20,428,699.00, 28,190,585.14 and 11,606,984.80

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Solution

The fourth proportional to 20,428,699.00, 28,190,585.14 and 11,606,984.80 is: 16,017,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,428,699.00 : 28,190,585.14 = 11,606,984.80 : x
  2. Step 2: Convert to fraction form
    20,428,699.00/28,190,585.14 = 11,606,984.80/x
  3. Step 3: Cross multiply
    20,428,699.00x = 28,190,585.14 × 11,606,984.80
  4. Step 4: Simplify right side
    20,428,699.00x = 327,207,693,116,606.44
  5. Step 5: Solve for x
    x = 327,207,693,116,606.44/20,428,699.00
  6. Step 6: Final answer
    x = 16,017,059.78

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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.