Home / 19,578,743.80-29,368,115.70-16,681,406.20

Finding the Fourth Proportional to 19,578,743.80, 29,368,115.70 and 16,681,406.20

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Solution

The fourth proportional to 19,578,743.80, 29,368,115.70 and 16,681,406.20 is: 25,022,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578,743.80 : 29,368,115.70 = 16,681,406.20 : x
  2. Step 2: Convert to fraction form
    19,578,743.80/29,368,115.70 = 16,681,406.20/x
  3. Step 3: Cross multiply
    19,578,743.80x = 29,368,115.70 × 16,681,406.20
  4. Step 4: Simplify right side
    19,578,743.80x = 489,901,467,320,297.31
  5. Step 5: Solve for x
    x = 489,901,467,320,297.31/19,578,743.80
  6. Step 6: Final answer
    x = 25,022,109.30

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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.