Home / 25,193,863.80-37,790,795.70-20,155,015.80

Finding the Fourth Proportional to 25,193,863.80, 37,790,795.70 and 20,155,015.80

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Solution

The fourth proportional to 25,193,863.80, 37,790,795.70 and 20,155,015.80 is: 30,232,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,193,863.80 : 37,790,795.70 = 20,155,015.80 : x
  2. Step 2: Convert to fraction form
    25,193,863.80/37,790,795.70 = 20,155,015.80/x
  3. Step 3: Cross multiply
    25,193,863.80x = 37,790,795.70 × 20,155,015.80
  4. Step 4: Simplify right side
    25,193,863.80x = 761,674,084,428,072.12
  5. Step 5: Solve for x
    x = 761,674,084,428,072.12/25,193,863.80
  6. Step 6: Final answer
    x = 30,232,523.70

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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.