Home / 28,343,760.56-39,115,629.96-15,954,653.36

Finding the Fourth Proportional to 28,343,760.56, 39,115,629.96 and 15,954,653.36

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Solution

The fourth proportional to 28,343,760.56, 39,115,629.96 and 15,954,653.36 is: 22,018,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,343,760.56 : 39,115,629.96 = 15,954,653.36 : x
  2. Step 2: Convert to fraction form
    28,343,760.56/39,115,629.96 = 15,954,653.36/x
  3. Step 3: Cross multiply
    28,343,760.56x = 39,115,629.96 × 15,954,653.36
  4. Step 4: Simplify right side
    28,343,760.56x = 624,076,316,969,830.62
  5. Step 5: Solve for x
    x = 624,076,316,969,830.62/28,343,760.56
  6. Step 6: Final answer
    x = 22,018,119.85

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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.