Home / 13,164,449.58-19,743,572.88-7,409,632.86

Finding the Fourth Proportional to 13,164,449.58, 19,743,572.88 and 7,409,632.86

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Solution

The fourth proportional to 13,164,449.58, 19,743,572.88 and 7,409,632.86 is: 11,112,703.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164,449.58 : 19,743,572.88 = 7,409,632.86 : x
  2. Step 2: Convert to fraction form
    13,164,449.58/19,743,572.88 = 7,409,632.86/x
  3. Step 3: Cross multiply
    13,164,449.58x = 19,743,572.88 × 7,409,632.86
  4. Step 4: Simplify right side
    13,164,449.58x = 146,292,626,385,452.84
  5. Step 5: Solve for x
    x = 146,292,626,385,452.84/13,164,449.58
  6. Step 6: Final answer
    x = 11,112,703.61

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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.