Home / 15,504,225.48-21,395,831.19-8,630,331.39

Finding the Fourth Proportional to 15,504,225.48, 21,395,831.19 and 8,630,331.39

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Solution

The fourth proportional to 15,504,225.48, 21,395,831.19 and 8,630,331.39 is: 11,909,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,225.48 : 21,395,831.19 = 8,630,331.39 : x
  2. Step 2: Convert to fraction form
    15,504,225.48/21,395,831.19 = 8,630,331.39/x
  3. Step 3: Cross multiply
    15,504,225.48x = 21,395,831.19 × 8,630,331.39
  4. Step 4: Simplify right side
    15,504,225.48x = 184,653,113,534,198.09
  5. Step 5: Solve for x
    x = 184,653,113,534,198.09/15,504,225.48
  6. Step 6: Final answer
    x = 11,909,857.33

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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.