Home / 38,188,256.88-52,700,911.92-20,785,729.44

Finding the Fourth Proportional to 38,188,256.88, 52,700,911.92 and 20,785,729.44

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Solution

The fourth proportional to 38,188,256.88, 52,700,911.92 and 20,785,729.44 is: 28,684,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188,256.88 : 52,700,911.92 = 20,785,729.44 : x
  2. Step 2: Convert to fraction form
    38,188,256.88/52,700,911.92 = 20,785,729.44/x
  3. Step 3: Cross multiply
    38,188,256.88x = 52,700,911.92 × 20,785,729.44
  4. Step 4: Simplify right side
    38,188,256.88x = 1,095,426,896,410,391
  5. Step 5: Solve for x
    x = 1,095,426,896,410,391/38,188,256.88
  6. Step 6: Final answer
    x = 28,684,914.84

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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.