Home / 20,056,621.64-30,102,111.34-19,905,653.02

Finding the Fourth Proportional to 20,056,621.64, 30,102,111.34 and 19,905,653.02

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Solution

The fourth proportional to 20,056,621.64, 30,102,111.34 and 19,905,653.02 is: 29,875,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056,621.64 : 30,102,111.34 = 19,905,653.02 : x
  2. Step 2: Convert to fraction form
    20,056,621.64/30,102,111.34 = 19,905,653.02/x
  3. Step 3: Cross multiply
    20,056,621.64x = 30,102,111.34 × 19,905,653.02
  4. Step 4: Simplify right side
    20,056,621.64x = 599,202,183,503,447.25
  5. Step 5: Solve for x
    x = 599,202,183,503,447.25/20,056,621.64
  6. Step 6: Final answer
    x = 29,875,529.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.