Home / 18,736,203.56-25,845,987.18-11,396,281.64

Finding the Fourth Proportional to 18,736,203.56, 25,845,987.18 and 11,396,281.64

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Solution

The fourth proportional to 18,736,203.56, 25,845,987.18 and 11,396,281.64 is: 15,720,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736,203.56 : 25,845,987.18 = 11,396,281.64 : x
  2. Step 2: Convert to fraction form
    18,736,203.56/25,845,987.18 = 11,396,281.64/x
  3. Step 3: Cross multiply
    18,736,203.56x = 25,845,987.18 × 11,396,281.64
  4. Step 4: Simplify right side
    18,736,203.56x = 294,548,149,167,109.38
  5. Step 5: Solve for x
    x = 294,548,149,167,109.38/18,736,203.56
  6. Step 6: Final answer
    x = 15,720,802.15

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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.