Home / 13,305,237.15-18,361,211.70-7,193,651.07

Finding the Fourth Proportional to 13,305,237.15, 18,361,211.70 and 7,193,651.07

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Solution

The fourth proportional to 13,305,237.15, 18,361,211.70 and 7,193,651.07 is: 9,927,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,237.15 : 18,361,211.70 = 7,193,651.07 : x
  2. Step 2: Convert to fraction form
    13,305,237.15/18,361,211.70 = 7,193,651.07/x
  3. Step 3: Cross multiply
    13,305,237.15x = 18,361,211.70 × 7,193,651.07
  4. Step 4: Simplify right side
    13,305,237.15x = 132,084,150,192,201.52
  5. Step 5: Solve for x
    x = 132,084,150,192,201.52/13,305,237.15
  6. Step 6: Final answer
    x = 9,927,230.06

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1.5x scale

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.