Home / 12,646,621.08-18,972,949.50-4,126,973.40

Finding the Fourth Proportional to 12,646,621.08, 18,972,949.50 and 4,126,973.40

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Solution

The fourth proportional to 12,646,621.08, 18,972,949.50 and 4,126,973.40 is: 6,191,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646,621.08 : 18,972,949.50 = 4,126,973.40 : x
  2. Step 2: Convert to fraction form
    12,646,621.08/18,972,949.50 = 4,126,973.40/x
  3. Step 3: Cross multiply
    12,646,621.08x = 18,972,949.50 × 4,126,973.40
  4. Step 4: Simplify right side
    12,646,621.08x = 78,300,857,906,043.30
  5. Step 5: Solve for x
    x = 78,300,857,906,043.30/12,646,621.08
  6. Step 6: Final answer
    x = 6,191,444.93

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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.