Home / 15,504,282-21,395,909.18-8,630,387.92

Finding the Fourth Proportional to 15,504,282, 21,395,909.18 and 8,630,387.92

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Solution

The fourth proportional to 15,504,282, 21,395,909.18 and 8,630,387.92 is: 11,909,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,282 : 21,395,909.18 = 8,630,387.92 : x
  2. Step 2: Convert to fraction form
    15,504,282/21,395,909.18 = 8,630,387.92/x
  3. Step 3: Cross multiply
    15,504,282x = 21,395,909.18 × 8,630,387.92
  4. Step 4: Simplify right side
    15,504,282x = 184,654,996,124,489.09
  5. Step 5: Solve for x
    x = 184,654,996,124,489.09/15,504,282
  6. Step 6: Final answer
    x = 11,909,935.34

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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.