Home / 22,157,530.70-30,582,494.13-12,993,125.90

Finding the Fourth Proportional to 22,157,530.70, 30,582,494.13 and 12,993,125.90

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Solution

The fourth proportional to 22,157,530.70, 30,582,494.13 and 12,993,125.90 is: 17,933,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,530.70 : 30,582,494.13 = 12,993,125.90 : x
  2. Step 2: Convert to fraction form
    22,157,530.70/30,582,494.13 = 12,993,125.90/x
  3. Step 3: Cross multiply
    22,157,530.70x = 30,582,494.13 × 12,993,125.90
  4. Step 4: Simplify right side
    22,157,530.70x = 397,362,196,567,100.94
  5. Step 5: Solve for x
    x = 397,362,196,567,100.94/22,157,530.70
  6. Step 6: Final answer
    x = 17,933,505.40

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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.