Home / 22,157,471.60-30,582,412.63-12,993,066.80

Finding the Fourth Proportional to 22,157,471.60, 30,582,412.63 and 12,993,066.80

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Solution

The fourth proportional to 22,157,471.60, 30,582,412.63 and 12,993,066.80 is: 17,933,423.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,471.60 : 30,582,412.63 = 12,993,066.80 : x
  2. Step 2: Convert to fraction form
    22,157,471.60/30,582,412.63 = 12,993,066.80/x
  3. Step 3: Cross multiply
    22,157,471.60x = 30,582,412.63 × 12,993,066.80
  4. Step 4: Simplify right side
    22,157,471.60x = 397,359,330,206,753.69
  5. Step 5: Solve for x
    x = 397,359,330,206,753.69/22,157,471.60
  6. Step 6: Final answer
    x = 17,933,423.88

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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.