Home / 18,695,914.20-28,059,617.70-7,344,509.40

Finding the Fourth Proportional to 18,695,914.20, 28,059,617.70 and 7,344,509.40

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Solution

The fourth proportional to 18,695,914.20, 28,059,617.70 and 7,344,509.40 is: 11,022,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695,914.20 : 28,059,617.70 = 7,344,509.40 : x
  2. Step 2: Convert to fraction form
    18,695,914.20/28,059,617.70 = 7,344,509.40/x
  3. Step 3: Cross multiply
    18,695,914.20x = 28,059,617.70 × 7,344,509.40
  4. Step 4: Simplify right side
    18,695,914.20x = 206,084,125,958,056.38
  5. Step 5: Solve for x
    x = 206,084,125,958,056.38/18,695,914.20
  6. Step 6: Final answer
    x = 11,022,949.92

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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.