Home / 20,090,944.60-30,153,005.70-9,324,813.40

Finding the Fourth Proportional to 20,090,944.60, 30,153,005.70 and 9,324,813.40

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Solution

The fourth proportional to 20,090,944.60, 30,153,005.70 and 9,324,813.40 is: 13,994,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,090,944.60 : 30,153,005.70 = 9,324,813.40 : x
  2. Step 2: Convert to fraction form
    20,090,944.60/30,153,005.70 = 9,324,813.40/x
  3. Step 3: Cross multiply
    20,090,944.60x = 30,153,005.70 × 9,324,813.40
  4. Step 4: Simplify right side
    20,090,944.60x = 281,171,151,601,636.38
  5. Step 5: Solve for x
    x = 281,171,151,601,636.38/20,090,944.60
  6. Step 6: Final answer
    x = 13,994,919.46

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1.5x scale

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.