Home / 15,950,195.12-22,008,365.79-8,979,788.72

Finding the Fourth Proportional to 15,950,195.12, 22,008,365.79 and 8,979,788.72

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Solution

The fourth proportional to 15,950,195.12, 22,008,365.79 and 8,979,788.72 is: 12,390,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950,195.12 : 22,008,365.79 = 8,979,788.72 : x
  2. Step 2: Convert to fraction form
    15,950,195.12/22,008,365.79 = 8,979,788.72/x
  3. Step 3: Cross multiply
    15,950,195.12x = 22,008,365.79 × 8,979,788.72
  4. Step 4: Simplify right side
    15,950,195.12x = 197,630,474,756,634.06
  5. Step 5: Solve for x
    x = 197,630,474,756,634.06/15,950,195.12
  6. Step 6: Final answer
    x = 12,390,473.80

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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.