Home / 22,157,547.41-30,582,517.26-12,993,142.61

Finding the Fourth Proportional to 22,157,547.41, 30,582,517.26 and 12,993,142.61

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Solution

The fourth proportional to 22,157,547.41, 30,582,517.26 and 12,993,142.61 is: 17,933,528.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,547.41 : 30,582,517.26 = 12,993,142.61 : x
  2. Step 2: Convert to fraction form
    22,157,547.41/30,582,517.26 = 12,993,142.61/x
  3. Step 3: Cross multiply
    22,157,547.41x = 30,582,517.26 × 12,993,142.61
  4. Step 4: Simplify right side
    22,157,547.41x = 397,363,007,979,053.88
  5. Step 5: Solve for x
    x = 397,363,007,979,053.88/22,157,547.41
  6. Step 6: Final answer
    x = 17,933,528.50

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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.