Home / 29,735,171.71-40,958,080.31-21,018,358.33

Finding the Fourth Proportional to 29,735,171.71, 40,958,080.31 and 21,018,358.33

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Solution

The fourth proportional to 29,735,171.71, 40,958,080.31 and 21,018,358.33 is: 28,951,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,735,171.71 : 40,958,080.31 = 21,018,358.33 : x
  2. Step 2: Convert to fraction form
    29,735,171.71/40,958,080.31 = 21,018,358.33/x
  3. Step 3: Cross multiply
    29,735,171.71x = 40,958,080.31 × 21,018,358.33
  4. Step 4: Simplify right side
    29,735,171.71x = 860,871,608,154,615.25
  5. Step 5: Solve for x
    x = 860,871,608,154,615.25/29,735,171.71
  6. Step 6: Final answer
    x = 28,951,290.97

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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.