Home / 20,442,228.06-30,676,978.25-10,603,359.30

Finding the Fourth Proportional to 20,442,228.06, 30,676,978.25 and 10,603,359.30

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Solution

The fourth proportional to 20,442,228.06, 30,676,978.25 and 10,603,359.30 is: 15,912,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442,228.06 : 30,676,978.25 = 10,603,359.30 : x
  2. Step 2: Convert to fraction form
    20,442,228.06/30,676,978.25 = 10,603,359.30/x
  3. Step 3: Cross multiply
    20,442,228.06x = 30,676,978.25 × 10,603,359.30
  4. Step 4: Simplify right side
    20,442,228.06x = 325,279,022,570,018.44
  5. Step 5: Solve for x
    x = 325,279,022,570,018.44/20,442,228.06
  6. Step 6: Final answer
    x = 15,912,112.01

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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.