Home / 19,320,019.65-28,980,029.48-10,362,067.65

Finding the Fourth Proportional to 19,320,019.65, 28,980,029.48 and 10,362,067.65

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Solution

The fourth proportional to 19,320,019.65, 28,980,029.48 and 10,362,067.65 is: 15,543,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,019.65 : 28,980,029.48 = 10,362,067.65 : x
  2. Step 2: Convert to fraction form
    19,320,019.65/28,980,029.48 = 10,362,067.65/x
  3. Step 3: Cross multiply
    19,320,019.65x = 28,980,029.48 × 10,362,067.65
  4. Step 4: Simplify right side
    19,320,019.65x = 300,293,025,970,754.31
  5. Step 5: Solve for x
    x = 300,293,025,970,754.31/19,320,019.65
  6. Step 6: Final answer
    x = 15,543,101.48

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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.