Home / 28,027,223.40-42,040,835.10-16,500,858.60

Finding the Fourth Proportional to 28,027,223.40, 42,040,835.10 and 16,500,858.60

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Solution

The fourth proportional to 28,027,223.40, 42,040,835.10 and 16,500,858.60 is: 24,751,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,027,223.40 : 42,040,835.10 = 16,500,858.60 : x
  2. Step 2: Convert to fraction form
    28,027,223.40/42,040,835.10 = 16,500,858.60/x
  3. Step 3: Cross multiply
    28,027,223.40x = 42,040,835.10 × 16,500,858.60
  4. Step 4: Simplify right side
    28,027,223.40x = 693,709,875,411,016.88
  5. Step 5: Solve for x
    x = 693,709,875,411,016.88/28,027,223.40
  6. Step 6: Final answer
    x = 24,751,287.90

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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.