Home / 15,504,278-21,395,903.66-8,630,383.92

Finding the Fourth Proportional to 15,504,278, 21,395,903.66 and 8,630,383.92

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Solution

The fourth proportional to 15,504,278, 21,395,903.66 and 8,630,383.92 is: 11,909,929.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,278 : 21,395,903.66 = 8,630,383.92 : x
  2. Step 2: Convert to fraction form
    15,504,278/21,395,903.66 = 8,630,383.92/x
  3. Step 3: Cross multiply
    15,504,278x = 21,395,903.66 × 8,630,383.92
  4. Step 4: Simplify right side
    15,504,278x = 184,654,862,901,133.16
  5. Step 5: Solve for x
    x = 184,654,862,901,133.16/15,504,278
  6. Step 6: Final answer
    x = 11,909,929.82

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1.5x scale

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.