Home / 20,177,187.70-30,345,497.70-18,104,567.80

Finding the Fourth Proportional to 20,177,187.70, 30,345,497.70 and 18,104,567.80

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Solution

The fourth proportional to 20,177,187.70, 30,345,497.70 and 18,104,567.80 is: 27,228,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177,187.70 : 30,345,497.70 = 18,104,567.80 : x
  2. Step 2: Convert to fraction form
    20,177,187.70/30,345,497.70 = 18,104,567.80/x
  3. Step 3: Cross multiply
    20,177,187.70x = 30,345,497.70 × 18,104,567.80
  4. Step 4: Simplify right side
    20,177,187.70x = 549,392,120,534,394.06
  5. Step 5: Solve for x
    x = 549,392,120,534,394.06/20,177,187.70
  6. Step 6: Final answer
    x = 27,228,379.33

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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.