Home / 19,309,996.48-28,964,993.92-4,933,095.68

Finding the Fourth Proportional to 19,309,996.48, 28,964,993.92 and 4,933,095.68

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Solution

The fourth proportional to 19,309,996.48, 28,964,993.92 and 4,933,095.68 is: 7,399,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309,996.48 : 28,964,993.92 = 4,933,095.68 : x
  2. Step 2: Convert to fraction form
    19,309,996.48/28,964,993.92 = 4,933,095.68/x
  3. Step 3: Cross multiply
    19,309,996.48x = 28,964,993.92 × 4,933,095.68
  4. Step 4: Simplify right side
    19,309,996.48x = 142,887,086,377,978.28
  5. Step 5: Solve for x
    x = 142,887,086,377,978.28/19,309,996.48
  6. Step 6: Final answer
    x = 7,399,643.32

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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.