Home / 15,504,292.52-21,395,923.96-8,630,398.42

Finding the Fourth Proportional to 15,504,292.52, 21,395,923.96 and 8,630,398.42

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Solution

The fourth proportional to 15,504,292.52, 21,395,923.96 and 8,630,398.42 is: 11,909,949.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,292.52 : 21,395,923.96 = 8,630,398.42 : x
  2. Step 2: Convert to fraction form
    15,504,292.52/21,395,923.96 = 8,630,398.42/x
  3. Step 3: Cross multiply
    15,504,292.52x = 21,395,923.96 × 8,630,398.42
  4. Step 4: Simplify right side
    15,504,292.52x = 184,655,348,338,824.16
  5. Step 5: Solve for x
    x = 184,655,348,338,824.16/15,504,292.52
  6. Step 6: Final answer
    x = 11,909,949.98

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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.