Home / 20,493,014.30-30,739,521.45-5,346,945.80

Finding the Fourth Proportional to 20,493,014.30, 30,739,521.45 and 5,346,945.80

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Solution

The fourth proportional to 20,493,014.30, 30,739,521.45 and 5,346,945.80 is: 8,020,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,014.30 : 30,739,521.45 = 5,346,945.80 : x
  2. Step 2: Convert to fraction form
    20,493,014.30/30,739,521.45 = 5,346,945.80/x
  3. Step 3: Cross multiply
    20,493,014.30x = 30,739,521.45 × 5,346,945.80
  4. Step 4: Simplify right side
    20,493,014.30x = 164,362,555,111,087.41
  5. Step 5: Solve for x
    x = 164,362,555,111,087.41/20,493,014.30
  6. Step 6: Final answer
    x = 8,020,418.70

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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.