Home / 13,888,147.46-20,747,751.47-8,990,555.31

Finding the Fourth Proportional to 13,888,147.46, 20,747,751.47 and 8,990,555.31

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Solution

The fourth proportional to 13,888,147.46, 20,747,751.47 and 8,990,555.31 is: 13,431,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888,147.46 : 20,747,751.47 = 8,990,555.31 : x
  2. Step 2: Convert to fraction form
    13,888,147.46/20,747,751.47 = 8,990,555.31/x
  3. Step 3: Cross multiply
    13,888,147.46x = 20,747,751.47 × 8,990,555.31
  4. Step 4: Simplify right side
    13,888,147.46x = 186,533,807,104,216.03
  5. Step 5: Solve for x
    x = 186,533,807,104,216.03/13,888,147.46
  6. Step 6: Final answer
    x = 13,431,151.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.