Home / 15,338,480.36-21,167,777.94-8,814,153.56

Finding the Fourth Proportional to 15,338,480.36, 21,167,777.94 and 8,814,153.56

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Solution

The fourth proportional to 15,338,480.36, 21,167,777.94 and 8,814,153.56 is: 12,163,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,480.36 : 21,167,777.94 = 8,814,153.56 : x
  2. Step 2: Convert to fraction form
    15,338,480.36/21,167,777.94 = 8,814,153.56/x
  3. Step 3: Cross multiply
    15,338,480.36x = 21,167,777.94 × 8,814,153.56
  4. Step 4: Simplify right side
    15,338,480.36x = 186,576,045,287,140.50
  5. Step 5: Solve for x
    x = 186,576,045,287,140.50/15,338,480.36
  6. Step 6: Final answer
    x = 12,163,919.82

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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.