Home / 19,320,019.15-28,980,028.73-10,362,067.15

Finding the Fourth Proportional to 19,320,019.15, 28,980,028.73 and 10,362,067.15

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Solution

The fourth proportional to 19,320,019.15, 28,980,028.73 and 10,362,067.15 is: 15,543,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,019.15 : 28,980,028.73 = 10,362,067.15 : x
  2. Step 2: Convert to fraction form
    19,320,019.15/28,980,028.73 = 10,362,067.15/x
  3. Step 3: Cross multiply
    19,320,019.15x = 28,980,028.73 × 10,362,067.15
  4. Step 4: Simplify right side
    19,320,019.15x = 300,293,003,709,189.25
  5. Step 5: Solve for x
    x = 300,293,003,709,189.25/19,320,019.15
  6. Step 6: Final answer
    x = 15,543,100.73

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1.5x scale

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.