Home / 47,827,083.79-71,752,009.37-15,478,986.36

Finding the Fourth Proportional to 47,827,083.79, 71,752,009.37 and 15,478,986.36

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Solution

The fourth proportional to 47,827,083.79, 71,752,009.37 and 15,478,986.36 is: 23,222,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,827,083.79 : 71,752,009.37 = 15,478,986.36 : x
  2. Step 2: Convert to fraction form
    47,827,083.79/71,752,009.37 = 15,478,986.36/x
  3. Step 3: Cross multiply
    47,827,083.79x = 71,752,009.37 × 15,478,986.36
  4. Step 4: Simplify right side
    47,827,083.79x = 1,110,648,374,340,822.25
  5. Step 5: Solve for x
    x = 1,110,648,374,340,822.25/47,827,083.79
  6. Step 6: Final answer
    x = 23,222,163.81

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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.