Home / 22,157,543.66-30,582,512.08-12,993,138.86

Finding the Fourth Proportional to 22,157,543.66, 30,582,512.08 and 12,993,138.86

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Solution

The fourth proportional to 22,157,543.66, 30,582,512.08 and 12,993,138.86 is: 17,933,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,543.66 : 30,582,512.08 = 12,993,138.86 : x
  2. Step 2: Convert to fraction form
    22,157,543.66/30,582,512.08 = 12,993,138.86/x
  3. Step 3: Cross multiply
    22,157,543.66x = 30,582,512.08 × 12,993,138.86
  4. Step 4: Simplify right side
    22,157,543.66x = 397,362,825,957,672.06
  5. Step 5: Solve for x
    x = 397,362,825,957,672.06/22,157,543.66
  6. Step 6: Final answer
    x = 17,933,523.32

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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.