Home / 12,646,627.08-18,972,958.52-4,126,979.40

Finding the Fourth Proportional to 12,646,627.08, 18,972,958.52 and 4,126,979.40

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Solution

The fourth proportional to 12,646,627.08, 18,972,958.52 and 4,126,979.40 is: 6,191,453.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,627.08 : 18,972,958.52 = 4,126,979.40 : x
  2. Step 2: Convert to fraction form
    12,646,627.08/18,972,958.52 = 4,126,979.40/x
  3. Step 3: Cross multiply
    12,646,627.08x = 18,972,958.52 × 4,126,979.40
  4. Step 4: Simplify right side
    12,646,627.08x = 78,301,008,969,094.48
  5. Step 5: Solve for x
    x = 78,301,008,969,094.48/12,646,627.08
  6. Step 6: Final answer
    x = 6,191,453.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.