Home / 18,884,759.40-28,289,814.30-10,349,821.80

Finding the Fourth Proportional to 18,884,759.40, 28,289,814.30 and 10,349,821.80

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Solution

The fourth proportional to 18,884,759.40, 28,289,814.30 and 10,349,821.80 is: 15,504,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884,759.40 : 28,289,814.30 = 10,349,821.80 : x
  2. Step 2: Convert to fraction form
    18,884,759.40/28,289,814.30 = 10,349,821.80/x
  3. Step 3: Cross multiply
    18,884,759.40x = 28,289,814.30 × 10,349,821.80
  4. Step 4: Simplify right side
    18,884,759.40x = 292,794,536,760,091.75
  5. Step 5: Solve for x
    x = 292,794,536,760,091.75/18,884,759.40
  6. Step 6: Final answer
    x = 15,504,276.79

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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.