Home / 13,378,048.40-20,067,072.60-3,280,669.40

Finding the Fourth Proportional to 13,378,048.40, 20,067,072.60 and 3,280,669.40

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Solution

The fourth proportional to 13,378,048.40, 20,067,072.60 and 3,280,669.40 is: 4,921,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378,048.40 : 20,067,072.60 = 3,280,669.40 : x
  2. Step 2: Convert to fraction form
    13,378,048.40/20,067,072.60 = 3,280,669.40/x
  3. Step 3: Cross multiply
    13,378,048.40x = 20,067,072.60 × 3,280,669.40
  4. Step 4: Simplify right side
    13,378,048.40x = 65,833,431,026,398.45
  5. Step 5: Solve for x
    x = 65,833,431,026,398.45/13,378,048.40
  6. Step 6: Final answer
    x = 4,921,004.10

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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.