Home / 20,283,882.34-30,428,665.30-6,638,101.32

Finding the Fourth Proportional to 20,283,882.34, 30,428,665.30 and 6,638,101.32

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Solution

The fourth proportional to 20,283,882.34, 30,428,665.30 and 6,638,101.32 is: 9,958,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283,882.34 : 30,428,665.30 = 6,638,101.32 : x
  2. Step 2: Convert to fraction form
    20,283,882.34/30,428,665.30 = 6,638,101.32/x
  3. Step 3: Cross multiply
    20,283,882.34x = 30,428,665.30 × 6,638,101.32
  4. Step 4: Simplify right side
    20,283,882.34x = 201,988,563,293,768.22
  5. Step 5: Solve for x
    x = 201,988,563,293,768.22/20,283,882.34
  6. Step 6: Final answer
    x = 9,958,081.98

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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.