Home / 20,180,224-30,245,142.72-10,085,731.84

Finding the Fourth Proportional to 20,180,224, 30,245,142.72 and 10,085,731.84

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Solution

The fourth proportional to 20,180,224, 30,245,142.72 and 10,085,731.84 is: 15,116,006.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180,224 : 30,245,142.72 = 10,085,731.84 : x
  2. Step 2: Convert to fraction form
    20,180,224/30,245,142.72 = 10,085,731.84/x
  3. Step 3: Cross multiply
    20,180,224x = 30,245,142.72 × 10,085,731.84
  4. Step 4: Simplify right side
    20,180,224x = 305,044,398,936,448.19
  5. Step 5: Solve for x
    x = 305,044,398,936,448.19/20,180,224
  6. Step 6: Final answer
    x = 15,116,006.59

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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.