Home / 28,778,401.80-43,096,743.90-13,614,618.60

Finding the Fourth Proportional to 28,778,401.80, 43,096,743.90 and 13,614,618.60

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Solution

The fourth proportional to 28,778,401.80, 43,096,743.90 and 13,614,618.60 is: 20,388,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,778,401.80 : 43,096,743.90 = 13,614,618.60 : x
  2. Step 2: Convert to fraction form
    28,778,401.80/43,096,743.90 = 13,614,618.60/x
  3. Step 3: Cross multiply
    28,778,401.80x = 43,096,743.90 × 13,614,618.60
  4. Step 4: Simplify right side
    28,778,401.80x = 586,745,731,100,376.50
  5. Step 5: Solve for x
    x = 586,745,731,100,376.50/28,778,401.80
  6. Step 6: Final answer
    x = 20,388,405.69

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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.