Home / 15,504,294.52-21,395,926.72-8,630,400.42

Finding the Fourth Proportional to 15,504,294.52, 21,395,926.72 and 8,630,400.42

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Solution

The fourth proportional to 15,504,294.52, 21,395,926.72 and 8,630,400.42 is: 11,909,952.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504,294.52 : 21,395,926.72 = 8,630,400.42 : x
  2. Step 2: Convert to fraction form
    15,504,294.52/21,395,926.72 = 8,630,400.42/x
  3. Step 3: Cross multiply
    15,504,294.52x = 21,395,926.72 × 8,630,400.42
  4. Step 4: Simplify right side
    15,504,294.52x = 184,655,414,950,577.22
  5. Step 5: Solve for x
    x = 184,655,414,950,577.22/15,504,294.52
  6. Step 6: Final answer
    x = 11,909,952.74

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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.