Home / 20,012,629.80-30,018,944.70-4,866,561.30

Finding the Fourth Proportional to 20,012,629.80, 30,018,944.70 and 4,866,561.30

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Solution

The fourth proportional to 20,012,629.80, 30,018,944.70 and 4,866,561.30 is: 7,299,841.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012,629.80 : 30,018,944.70 = 4,866,561.30 : x
  2. Step 2: Convert to fraction form
    20,012,629.80/30,018,944.70 = 4,866,561.30/x
  3. Step 3: Cross multiply
    20,012,629.80x = 30,018,944.70 × 4,866,561.30
  4. Step 4: Simplify right side
    20,012,629.80x = 146,089,034,543,860.09
  5. Step 5: Solve for x
    x = 146,089,034,543,860.09/20,012,629.80
  6. Step 6: Final answer
    x = 7,299,841.95

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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.