Home / 22,157,473.12-30,582,414.70-12,993,068.32

Finding the Fourth Proportional to 22,157,473.12, 30,582,414.70 and 12,993,068.32

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Solution

The fourth proportional to 22,157,473.12, 30,582,414.70 and 12,993,068.32 is: 17,933,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,473.12 : 30,582,414.70 = 12,993,068.32 : x
  2. Step 2: Convert to fraction form
    22,157,473.12/30,582,414.70 = 12,993,068.32/x
  3. Step 3: Cross multiply
    22,157,473.12x = 30,582,414.70 × 12,993,068.32
  4. Step 4: Simplify right side
    22,157,473.12x = 397,359,403,587,672.31
  5. Step 5: Solve for x
    x = 397,359,403,587,672.31/22,157,473.12
  6. Step 6: Final answer
    x = 17,933,425.96

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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.