Home / 22,157,544.39-30,582,513.08-12,993,139.59

Finding the Fourth Proportional to 22,157,544.39, 30,582,513.08 and 12,993,139.59

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Solution

The fourth proportional to 22,157,544.39, 30,582,513.08 and 12,993,139.59 is: 17,933,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,544.39 : 30,582,513.08 = 12,993,139.59 : x
  2. Step 2: Convert to fraction form
    22,157,544.39/30,582,513.08 = 12,993,139.59/x
  3. Step 3: Cross multiply
    22,157,544.39x = 30,582,513.08 × 12,993,139.59
  4. Step 4: Simplify right side
    22,157,544.39x = 397,362,861,461,440.81
  5. Step 5: Solve for x
    x = 397,362,861,461,440.81/22,157,544.39
  6. Step 6: Final answer
    x = 17,933,524.33

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Double scale
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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.