Home / 19,700,550.66-29,568,991.29-9,991,977.48

Finding the Fourth Proportional to 19,700,550.66, 29,568,991.29 and 9,991,977.48

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Solution

The fourth proportional to 19,700,550.66, 29,568,991.29 and 9,991,977.48 is: 14,997,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,700,550.66 : 29,568,991.29 = 9,991,977.48 : x
  2. Step 2: Convert to fraction form
    19,700,550.66/29,568,991.29 = 9,991,977.48/x
  3. Step 3: Cross multiply
    19,700,550.66x = 29,568,991.29 × 9,991,977.48
  4. Step 4: Simplify right side
    19,700,550.66x = 295,452,695,075,996.12
  5. Step 5: Solve for x
    x = 295,452,695,075,996.12/19,700,550.66
  6. Step 6: Final answer
    x = 14,997,179.53

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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.