Home / 15,100,223.16-20,832,121.26-8,572,438.20

Finding the Fourth Proportional to 15,100,223.16, 20,832,121.26 and 8,572,438.20

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Solution

The fourth proportional to 15,100,223.16, 20,832,121.26 and 8,572,438.20 is: 11,826,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100,223.16 : 20,832,121.26 = 8,572,438.20 : x
  2. Step 2: Convert to fraction form
    15,100,223.16/20,832,121.26 = 8,572,438.20/x
  3. Step 3: Cross multiply
    15,100,223.16x = 20,832,121.26 × 8,572,438.20
  4. Step 4: Simplify right side
    15,100,223.16x = 178,582,072,076,256.12
  5. Step 5: Solve for x
    x = 178,582,072,076,256.12/15,100,223.16
  6. Step 6: Final answer
    x = 11,826,452.51

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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.