Home / 20,539,602.08-28,345,536.72-11,372,244.80

Finding the Fourth Proportional to 20,539,602.08, 28,345,536.72 and 11,372,244.80

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Solution

The fourth proportional to 20,539,602.08, 28,345,536.72 and 11,372,244.80 is: 15,694,188.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,539,602.08 : 28,345,536.72 = 11,372,244.80 : x
  2. Step 2: Convert to fraction form
    20,539,602.08/28,345,536.72 = 11,372,244.80/x
  3. Step 3: Cross multiply
    20,539,602.08x = 28,345,536.72 × 11,372,244.80
  4. Step 4: Simplify right side
    20,539,602.08x = 322,352,382,567,229.06
  5. Step 5: Solve for x
    x = 322,352,382,567,229.06/20,539,602.08
  6. Step 6: Final answer
    x = 15,694,188.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.