Home / 20,467,467.59-28,247,582.39-11,649,063.20

Finding the Fourth Proportional to 20,467,467.59, 28,247,582.39 and 11,649,063.20

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Solution

The fourth proportional to 20,467,467.59, 28,247,582.39 and 11,649,063.20 is: 16,077,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,467,467.59 : 28,247,582.39 = 11,649,063.20 : x
  2. Step 2: Convert to fraction form
    20,467,467.59/28,247,582.39 = 11,649,063.20/x
  3. Step 3: Cross multiply
    20,467,467.59x = 28,247,582.39 × 11,649,063.20
  4. Step 4: Simplify right side
    20,467,467.59x = 329,057,872,308,833.88
  5. Step 5: Solve for x
    x = 329,057,872,308,833.88/20,467,467.59
  6. Step 6: Final answer
    x = 16,077,117.06

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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.