Home / 22,157,574.93-30,582,555.21-12,993,170.13

Finding the Fourth Proportional to 22,157,574.93, 30,582,555.21 and 12,993,170.13

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Solution

The fourth proportional to 22,157,574.93, 30,582,555.21 and 12,993,170.13 is: 17,933,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,574.93 : 30,582,555.21 = 12,993,170.13 : x
  2. Step 2: Convert to fraction form
    22,157,574.93/30,582,555.21 = 12,993,170.13/x
  3. Step 3: Cross multiply
    22,157,574.93x = 30,582,555.21 × 12,993,170.13
  4. Step 4: Simplify right side
    22,157,574.93x = 397,364,342,853,647.94
  5. Step 5: Solve for x
    x = 397,364,342,853,647.94/22,157,574.93
  6. Step 6: Final answer
    x = 17,933,566.47

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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.