Home / 47,979,796.95-71,969,607.93-15,631,661.25

Finding the Fourth Proportional to 47,979,796.95, 71,969,607.93 and 15,631,661.25

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Solution

The fourth proportional to 47,979,796.95, 71,969,607.93 and 15,631,661.25 is: 23,447,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979,796.95 : 71,969,607.93 = 15,631,661.25 : x
  2. Step 2: Convert to fraction form
    47,979,796.95/71,969,607.93 = 15,631,661.25/x
  3. Step 3: Cross multiply
    47,979,796.95x = 71,969,607.93 × 15,631,661.25
  4. Step 4: Simplify right side
    47,979,796.95x = 1,125,004,531,457,073.88
  5. Step 5: Solve for x
    x = 1,125,004,531,457,073.88/47,979,796.95
  6. Step 6: Final answer
    x = 23,447,463.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.