Home / 30,262,803.52-41,713,882.56-20,469,676.32

Finding the Fourth Proportional to 30,262,803.52, 41,713,882.56 and 20,469,676.32

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Solution

The fourth proportional to 30,262,803.52, 41,713,882.56 and 20,469,676.32 is: 28,215,154.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262,803.52 : 41,713,882.56 = 20,469,676.32 : x
  2. Step 2: Convert to fraction form
    30,262,803.52/41,713,882.56 = 20,469,676.32/x
  3. Step 3: Cross multiply
    30,262,803.52x = 41,713,882.56 × 20,469,676.32
  4. Step 4: Simplify right side
    30,262,803.52x = 853,869,674,053,693
  5. Step 5: Solve for x
    x = 853,869,674,053,693/30,262,803.52
  6. Step 6: Final answer
    x = 28,215,154.41

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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.