Home / 20,493,020.40-30,739,530.60-5,346,951.90

Finding the Fourth Proportional to 20,493,020.40, 30,739,530.60 and 5,346,951.90

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Solution

The fourth proportional to 20,493,020.40, 30,739,530.60 and 5,346,951.90 is: 8,020,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,020.40 : 30,739,530.60 = 5,346,951.90 : x
  2. Step 2: Convert to fraction form
    20,493,020.40/30,739,530.60 = 5,346,951.90/x
  3. Step 3: Cross multiply
    20,493,020.40x = 30,739,530.60 × 5,346,951.90
  4. Step 4: Simplify right side
    20,493,020.40x = 164,362,791,546,778.16
  5. Step 5: Solve for x
    x = 164,362,791,546,778.16/20,493,020.40
  6. Step 6: Final answer
    x = 8,020,427.85

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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.