Home / 18,166,878.05-25,064,004.15-11,644,104.38

Finding the Fourth Proportional to 18,166,878.05, 25,064,004.15 and 11,644,104.38

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Solution

The fourth proportional to 18,166,878.05, 25,064,004.15 and 11,644,104.38 is: 16,064,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166,878.05 : 25,064,004.15 = 11,644,104.38 : x
  2. Step 2: Convert to fraction form
    18,166,878.05/25,064,004.15 = 11,644,104.38/x
  3. Step 3: Cross multiply
    18,166,878.05x = 25,064,004.15 × 11,644,104.38
  4. Step 4: Simplify right side
    18,166,878.05x = 291,847,880,378,033.12
  5. Step 5: Solve for x
    x = 291,847,880,378,033.12/18,166,878.05
  6. Step 6: Final answer
    x = 16,064,834.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.