Home / 14,993,286.69-20,692,122.53-9,111,563.43

Finding the Fourth Proportional to 14,993,286.69, 20,692,122.53 and 9,111,563.43

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Solution

The fourth proportional to 14,993,286.69, 20,692,122.53 and 9,111,563.43 is: 12,574,800.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,993,286.69 : 20,692,122.53 = 9,111,563.43 : x
  2. Step 2: Convert to fraction form
    14,993,286.69/20,692,122.53 = 9,111,563.43/x
  3. Step 3: Cross multiply
    14,993,286.69x = 20,692,122.53 × 9,111,563.43
  4. Step 4: Simplify right side
    14,993,286.69x = 188,537,586,933,427.09
  5. Step 5: Solve for x
    x = 188,537,586,933,427.09/14,993,286.69
  6. Step 6: Final answer
    x = 12,574,800.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.