Home / 15,504,282-21,395,909.16-8,630,387.91

Finding the Fourth Proportional to 15,504,282, 21,395,909.16 and 8,630,387.91

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Solution

The fourth proportional to 15,504,282, 21,395,909.16 and 8,630,387.91 is: 11,909,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,282 : 21,395,909.16 = 8,630,387.91 : x
  2. Step 2: Convert to fraction form
    15,504,282/21,395,909.16 = 8,630,387.91/x
  3. Step 3: Cross multiply
    15,504,282x = 21,395,909.16 × 8,630,387.91
  4. Step 4: Simplify right side
    15,504,282x = 184,654,995,737,922.25
  5. Step 5: Solve for x
    x = 184,654,995,737,922.25/15,504,282
  6. Step 6: Final answer
    x = 11,909,935.32

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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.