Home / 19,659,071.52-27,129,645.36-10,957,796.64

Finding the Fourth Proportional to 19,659,071.52, 27,129,645.36 and 10,957,796.64

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Solution

The fourth proportional to 19,659,071.52, 27,129,645.36 and 10,957,796.64 is: 15,121,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659,071.52 : 27,129,645.36 = 10,957,796.64 : x
  2. Step 2: Convert to fraction form
    19,659,071.52/27,129,645.36 = 10,957,796.64/x
  3. Step 3: Cross multiply
    19,659,071.52x = 27,129,645.36 × 10,957,796.64
  4. Step 4: Simplify right side
    19,659,071.52x = 297,281,136,770,199.62
  5. Step 5: Solve for x
    x = 297,281,136,770,199.62/19,659,071.52
  6. Step 6: Final answer
    x = 15,121,829.96

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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.