Home / 38,064,107.70-52,528,521.78-20,660,456.52

Finding the Fourth Proportional to 38,064,107.70, 52,528,521.78 and 20,660,456.52

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Solution

The fourth proportional to 38,064,107.70, 52,528,521.78 and 20,660,456.52 is: 28,511,458.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,064,107.70 : 52,528,521.78 = 20,660,456.52 : x
  2. Step 2: Convert to fraction form
    38,064,107.70/52,528,521.78 = 20,660,456.52/x
  3. Step 3: Cross multiply
    38,064,107.70x = 52,528,521.78 × 20,660,456.52
  4. Step 4: Simplify right side
    38,064,107.70x = 1,085,263,240,295,563
  5. Step 5: Solve for x
    x = 1,085,263,240,295,563/38,064,107.70
  6. Step 6: Final answer
    x = 28,511,458.85

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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.