Home / 38,478,504.10-53,101,195.20-21,958,299.76

Finding the Fourth Proportional to 38,478,504.10, 53,101,195.20 and 21,958,299.76

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Solution

The fourth proportional to 38,478,504.10, 53,101,195.20 and 21,958,299.76 is: 30,302,944.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,478,504.10 : 53,101,195.20 = 21,958,299.76 : x
  2. Step 2: Convert to fraction form
    38,478,504.10/53,101,195.20 = 21,958,299.76/x
  3. Step 3: Cross multiply
    38,478,504.10x = 53,101,195.20 × 21,958,299.76
  4. Step 4: Simplify right side
    38,478,504.10x = 1,166,011,961,815,873.25
  5. Step 5: Solve for x
    x = 1,166,011,961,815,873.25/38,478,504.10
  6. Step 6: Final answer
    x = 30,302,944.18

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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.