Home / 18,659,063.80-28,001,037.30-10,572,023.80

Finding the Fourth Proportional to 18,659,063.80, 28,001,037.30 and 10,572,023.80

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Solution

The fourth proportional to 18,659,063.80, 28,001,037.30 and 10,572,023.80 is: 15,865,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659,063.80 : 28,001,037.30 = 10,572,023.80 : x
  2. Step 2: Convert to fraction form
    18,659,063.80/28,001,037.30 = 10,572,023.80/x
  3. Step 3: Cross multiply
    18,659,063.80x = 28,001,037.30 × 10,572,023.80
  4. Step 4: Simplify right side
    18,659,063.80x = 296,027,632,760,287.75
  5. Step 5: Solve for x
    x = 296,027,632,760,287.75/18,659,063.80
  6. Step 6: Final answer
    x = 15,865,084.98

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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.