Home / 20,361,505.16-30,501,364.18-9,416,353.22

Finding the Fourth Proportional to 20,361,505.16, 30,501,364.18 and 9,416,353.22

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Solution

The fourth proportional to 20,361,505.16, 30,501,364.18 and 9,416,353.22 is: 14,105,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,361,505.16 : 30,501,364.18 = 9,416,353.22 : x
  2. Step 2: Convert to fraction form
    20,361,505.16/30,501,364.18 = 9,416,353.22/x
  3. Step 3: Cross multiply
    20,361,505.16x = 30,501,364.18 × 9,416,353.22
  4. Step 4: Simplify right side
    20,361,505.16x = 287,211,618,810,735.69
  5. Step 5: Solve for x
    x = 287,211,618,810,735.69/20,361,505.16
  6. Step 6: Final answer
    x = 14,105,618.25

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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.