Home / 28,566,739.26-42,777,366.30-18,821,808.18

Finding the Fourth Proportional to 28,566,739.26, 42,777,366.30 and 18,821,808.18

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Solution

The fourth proportional to 28,566,739.26, 42,777,366.30 and 18,821,808.18 is: 28,184,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566,739.26 : 42,777,366.30 = 18,821,808.18 : x
  2. Step 2: Convert to fraction form
    28,566,739.26/42,777,366.30 = 18,821,808.18/x
  3. Step 3: Cross multiply
    28,566,739.26x = 42,777,366.30 × 18,821,808.18
  4. Step 4: Simplify right side
    28,566,739.26x = 805,147,382,944,196.25
  5. Step 5: Solve for x
    x = 805,147,382,944,196.25/28,566,739.26
  6. Step 6: Final answer
    x = 28,184,784.26

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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.