Home / 20,188,897.65-30,283,346.48-18,833,723.10

Finding the Fourth Proportional to 20,188,897.65, 30,283,346.48 and 18,833,723.10

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Solution

The fourth proportional to 20,188,897.65, 30,283,346.48 and 18,833,723.10 is: 28,250,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,897.65 : 30,283,346.48 = 18,833,723.10 : x
  2. Step 2: Convert to fraction form
    20,188,897.65/30,283,346.48 = 18,833,723.10/x
  3. Step 3: Cross multiply
    20,188,897.65x = 30,283,346.48 × 18,833,723.10
  4. Step 4: Simplify right side
    20,188,897.65x = 570,348,162,051,511.12
  5. Step 5: Solve for x
    x = 570,348,162,051,511.12/20,188,897.65
  6. Step 6: Final answer
    x = 28,250,584.65

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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.