Home / 38,330,961.72-52,896,453.41-20,927,306.43

Finding the Fourth Proportional to 38,330,961.72, 52,896,453.41 and 20,927,306.43

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Solution

The fourth proportional to 38,330,961.72, 52,896,453.41 and 20,927,306.43 is: 28,879,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,330,961.72 : 52,896,453.41 = 20,927,306.43 : x
  2. Step 2: Convert to fraction form
    38,330,961.72/52,896,453.41 = 20,927,306.43/x
  3. Step 3: Cross multiply
    38,330,961.72x = 52,896,453.41 × 20,927,306.43
  4. Step 4: Simplify right side
    38,330,961.72x = 1,106,980,289,713,504.12
  5. Step 5: Solve for x
    x = 1,106,980,289,713,504.12/38,330,961.72
  6. Step 6: Final answer
    x = 28,879,533.41

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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.