Home / 15,395,597.16-21,246,590.92-8,520,081.44

Finding the Fourth Proportional to 15,395,597.16, 21,246,590.92 and 8,520,081.44

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Solution

The fourth proportional to 15,395,597.16, 21,246,590.92 and 8,520,081.44 is: 11,758,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,395,597.16 : 21,246,590.92 = 8,520,081.44 : x
  2. Step 2: Convert to fraction form
    15,395,597.16/21,246,590.92 = 8,520,081.44/x
  3. Step 3: Cross multiply
    15,395,597.16x = 21,246,590.92 × 8,520,081.44
  4. Step 4: Simplify right side
    15,395,597.16x = 181,022,684,960,764.53
  5. Step 5: Solve for x
    x = 181,022,684,960,764.53/15,395,597.16
  6. Step 6: Final answer
    x = 11,758,081.42

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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.