Home / 27,611,414.37-38,103,866.91-15,221,235.60

Finding the Fourth Proportional to 27,611,414.37, 38,103,866.91 and 15,221,235.60

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Solution

The fourth proportional to 27,611,414.37, 38,103,866.91 and 15,221,235.60 is: 21,005,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,611,414.37 : 38,103,866.91 = 15,221,235.60 : x
  2. Step 2: Convert to fraction form
    27,611,414.37/38,103,866.91 = 15,221,235.60/x
  3. Step 3: Cross multiply
    27,611,414.37x = 38,103,866.91 × 15,221,235.60
  4. Step 4: Simplify right side
    27,611,414.37x = 579,987,935,508,153.88
  5. Step 5: Solve for x
    x = 579,987,935,508,153.88/27,611,414.37
  6. Step 6: Final answer
    x = 21,005,368.57

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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.