Home / 19,246,057.88-28,860,458.34-11,468,640.20

Finding the Fourth Proportional to 19,246,057.88, 28,860,458.34 and 11,468,640.20

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Solution

The fourth proportional to 19,246,057.88, 28,860,458.34 and 11,468,640.20 is: 17,197,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246,057.88 : 28,860,458.34 = 11,468,640.20 : x
  2. Step 2: Convert to fraction form
    19,246,057.88/28,860,458.34 = 11,468,640.20/x
  3. Step 3: Cross multiply
    19,246,057.88x = 28,860,458.34 × 11,468,640.20
  4. Step 4: Simplify right side
    19,246,057.88x = 330,990,212,708,549.25
  5. Step 5: Solve for x
    x = 330,990,212,708,549.25/19,246,057.88
  6. Step 6: Final answer
    x = 17,197,818.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.