Home / 28,250,999.60-42,407,992.20-15,496,415.60

Finding the Fourth Proportional to 28,250,999.60, 42,407,992.20 and 15,496,415.60

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Solution

The fourth proportional to 28,250,999.60, 42,407,992.20 and 15,496,415.60 is: 23,261,898.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,250,999.60 : 42,407,992.20 = 15,496,415.60 : x
  2. Step 2: Convert to fraction form
    28,250,999.60/42,407,992.20 = 15,496,415.60/x
  3. Step 3: Cross multiply
    28,250,999.60x = 42,407,992.20 × 15,496,415.60
  4. Step 4: Simplify right side
    28,250,999.60x = 657,171,871,892,758.38
  5. Step 5: Solve for x
    x = 657,171,871,892,758.38/28,250,999.60
  6. Step 6: Final answer
    x = 23,261,898.03

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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.