Home / 12,139,452.84-18,206,816.99-3,502,946.10

Finding the Fourth Proportional to 12,139,452.84, 18,206,816.99 and 3,502,946.10

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Solution

The fourth proportional to 12,139,452.84, 18,206,816.99 and 3,502,946.10 is: 5,253,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,452.84 : 18,206,816.99 = 3,502,946.10 : x
  2. Step 2: Convert to fraction form
    12,139,452.84/18,206,816.99 = 3,502,946.10/x
  3. Step 3: Cross multiply
    12,139,452.84x = 18,206,816.99 × 3,502,946.10
  4. Step 4: Simplify right side
    12,139,452.84x = 63,777,498,568,534.23
  5. Step 5: Solve for x
    x = 63,777,498,568,534.23/12,139,452.84
  6. Step 6: Final answer
    x = 5,253,737.50

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Double scale
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1.5x scale

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.