Home / 12,579,358.16-18,868,933.56-3,603,918.80

Finding the Fourth Proportional to 12,579,358.16, 18,868,933.56 and 3,603,918.80

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Solution

The fourth proportional to 12,579,358.16, 18,868,933.56 and 3,603,918.80 is: 5,405,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,579,358.16 : 18,868,933.56 = 3,603,918.80 : x
  2. Step 2: Convert to fraction form
    12,579,358.16/18,868,933.56 = 3,603,918.80/x
  3. Step 3: Cross multiply
    12,579,358.16x = 18,868,933.56 × 3,603,918.80
  4. Step 4: Simplify right side
    12,579,358.16x = 68,002,104,392,834.92
  5. Step 5: Solve for x
    x = 68,002,104,392,834.92/12,579,358.16
  6. Step 6: Final answer
    x = 5,405,848.50

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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.