Home / 20,139,618.60-30,209,427.90-6,676,446.60

Finding the Fourth Proportional to 20,139,618.60, 30,209,427.90 and 6,676,446.60

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Solution

The fourth proportional to 20,139,618.60, 30,209,427.90 and 6,676,446.60 is: 10,014,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,139,618.60 : 30,209,427.90 = 6,676,446.60 : x
  2. Step 2: Convert to fraction form
    20,139,618.60/30,209,427.90 = 6,676,446.60/x
  3. Step 3: Cross multiply
    20,139,618.60x = 30,209,427.90 × 6,676,446.60
  4. Step 4: Simplify right side
    20,139,618.60x = 201,691,632,190,900.12
  5. Step 5: Solve for x
    x = 201,691,632,190,900.12/20,139,618.60
  6. Step 6: Final answer
    x = 10,014,669.90

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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.