Home / 38,177,673-52,684,745.88-20,773,718.40

Finding the Fourth Proportional to 38,177,673, 52,684,745.88 and 20,773,718.40

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Solution

The fourth proportional to 38,177,673, 52,684,745.88 and 20,773,718.40 is: 28,667,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177,673 : 52,684,745.88 = 20,773,718.40 : x
  2. Step 2: Convert to fraction form
    38,177,673/52,684,745.88 = 20,773,718.40/x
  3. Step 3: Cross multiply
    38,177,673x = 52,684,745.88 × 20,773,718.40
  4. Step 4: Simplify right side
    38,177,673x = 1,094,458,074,886,680.12
  5. Step 5: Solve for x
    x = 1,094,458,074,886,680.12/38,177,673
  6. Step 6: Final answer
    x = 28,667,490.42

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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.