Home / 20,129,642.07-30,193,619.71-6,482,486.37

Finding the Fourth Proportional to 20,129,642.07, 30,193,619.71 and 6,482,486.37

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Solution

The fourth proportional to 20,129,642.07, 30,193,619.71 and 6,482,486.37 is: 9,723,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,129,642.07 : 30,193,619.71 = 6,482,486.37 : x
  2. Step 2: Convert to fraction form
    20,129,642.07/30,193,619.71 = 6,482,486.37/x
  3. Step 3: Cross multiply
    20,129,642.07x = 30,193,619.71 × 6,482,486.37
  4. Step 4: Simplify right side
    20,129,642.07x = 195,729,728,290,316.16
  5. Step 5: Solve for x
    x = 195,729,728,290,316.16/20,129,642.07
  6. Step 6: Final answer
    x = 9,723,457.96

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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.