Home / 12,396,403.39-18,583,955.07-4,308,328.21

Finding the Fourth Proportional to 12,396,403.39, 18,583,955.07 and 4,308,328.21

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Solution

The fourth proportional to 12,396,403.39, 18,583,955.07 and 4,308,328.21 is: 6,458,790.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,396,403.39 : 18,583,955.07 = 4,308,328.21 : x
  2. Step 2: Convert to fraction form
    12,396,403.39/18,583,955.07 = 4,308,328.21/x
  3. Step 3: Cross multiply
    12,396,403.39x = 18,583,955.07 × 4,308,328.21
  4. Step 4: Simplify right side
    12,396,403.39x = 80,065,777,881,453.53
  5. Step 5: Solve for x
    x = 80,065,777,881,453.53/12,396,403.39
  6. Step 6: Final answer
    x = 6,458,790.94

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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.