Home / 28,780,018.48-43,192,414.36-20,087,649.84

Finding the Fourth Proportional to 28,780,018.48, 43,192,414.36 and 20,087,649.84

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Solution

The fourth proportional to 28,780,018.48, 43,192,414.36 and 20,087,649.84 is: 30,147,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780,018.48 : 43,192,414.36 = 20,087,649.84 : x
  2. Step 2: Convert to fraction form
    28,780,018.48/43,192,414.36 = 20,087,649.84/x
  3. Step 3: Cross multiply
    28,780,018.48x = 43,192,414.36 × 20,087,649.84
  4. Step 4: Simplify right side
    28,780,018.48x = 867,634,095,407,867.62
  5. Step 5: Solve for x
    x = 867,634,095,407,867.62/28,780,018.48
  6. Step 6: Final answer
    x = 30,147,100.01

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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.