Home / 20,156,728.08-30,254,580.72-19,064,326.44

Finding the Fourth Proportional to 20,156,728.08, 30,254,580.72 and 19,064,326.44

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Solution

The fourth proportional to 20,156,728.08, 30,254,580.72 and 19,064,326.44 is: 28,614,922.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,728.08 : 30,254,580.72 = 19,064,326.44 : x
  2. Step 2: Convert to fraction form
    20,156,728.08/30,254,580.72 = 19,064,326.44/x
  3. Step 3: Cross multiply
    20,156,728.08x = 30,254,580.72 × 19,064,326.44
  4. Step 4: Simplify right side
    20,156,728.08x = 576,783,203,151,410.25
  5. Step 5: Solve for x
    x = 576,783,203,151,410.25/20,156,728.08
  6. Step 6: Final answer
    x = 28,614,922.07

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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.