Home / 18,829,144.55-28,230,430.80-8,598,905.30

Finding the Fourth Proportional to 18,829,144.55, 28,230,430.80 and 8,598,905.30

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Solution

The fourth proportional to 18,829,144.55, 28,230,430.80 and 8,598,905.30 is: 12,892,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829,144.55 : 28,230,430.80 = 8,598,905.30 : x
  2. Step 2: Convert to fraction form
    18,829,144.55/28,230,430.80 = 8,598,905.30/x
  3. Step 3: Cross multiply
    18,829,144.55x = 28,230,430.80 × 8,598,905.30
  4. Step 4: Simplify right side
    18,829,144.55x = 242,750,801,027,403.28
  5. Step 5: Solve for x
    x = 242,750,801,027,403.28/18,829,144.55
  6. Step 6: Final answer
    x = 12,892,290.48

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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.