Home / 12,470,104.31-17,203,847.78-7,242,222.56

Finding the Fourth Proportional to 12,470,104.31, 17,203,847.78 and 7,242,222.56

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Solution

The fourth proportional to 12,470,104.31, 17,203,847.78 and 7,242,222.56 is: 9,991,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,470,104.31 : 17,203,847.78 = 7,242,222.56 : x
  2. Step 2: Convert to fraction form
    12,470,104.31/17,203,847.78 = 7,242,222.56/x
  3. Step 3: Cross multiply
    12,470,104.31x = 17,203,847.78 × 7,242,222.56
  4. Step 4: Simplify right side
    12,470,104.31x = 124,594,094,443,208.22
  5. Step 5: Solve for x
    x = 124,594,094,443,208.22/12,470,104.31
  6. Step 6: Final answer
    x = 9,991,423.60

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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.