Home / 28,515,999.60-42,773,999.40-16,422,764.40

Finding the Fourth Proportional to 28,515,999.60, 42,773,999.40 and 16,422,764.40

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Solution

The fourth proportional to 28,515,999.60, 42,773,999.40 and 16,422,764.40 is: 24,634,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515,999.60 : 42,773,999.40 = 16,422,764.40 : x
  2. Step 2: Convert to fraction form
    28,515,999.60/42,773,999.40 = 16,422,764.40/x
  3. Step 3: Cross multiply
    28,515,999.60x = 42,773,999.40 × 16,422,764.40
  4. Step 4: Simplify right side
    28,515,999.60x = 702,467,314,591,941.38
  5. Step 5: Solve for x
    x = 702,467,314,591,941.38/28,515,999.60
  6. Step 6: Final answer
    x = 24,634,146.60

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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.