Home / 13,305,388.10-18,361,461.60-7,193,816.60

Finding the Fourth Proportional to 13,305,388.10, 18,361,461.60 and 7,193,816.60

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Solution

The fourth proportional to 13,305,388.10, 18,361,461.60 and 7,193,816.60 is: 9,927,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,388.10 : 18,361,461.60 = 7,193,816.60 : x
  2. Step 2: Convert to fraction form
    13,305,388.10/18,361,461.60 = 7,193,816.60/x
  3. Step 3: Cross multiply
    13,305,388.10x = 18,361,461.60 × 7,193,816.60
  4. Step 4: Simplify right side
    13,305,388.10x = 132,088,987,258,342.56
  5. Step 5: Solve for x
    x = 132,088,987,258,342.56/13,305,388.10
  6. Step 6: Final answer
    x = 9,927,480.98

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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.