Home / 13,857,570.40-20,745,821.04-8,082,646.24

Finding the Fourth Proportional to 13,857,570.40, 20,745,821.04 and 8,082,646.24

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Solution

The fourth proportional to 13,857,570.40, 20,745,821.04 and 8,082,646.24 is: 12,100,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,570.40 : 20,745,821.04 = 8,082,646.24 : x
  2. Step 2: Convert to fraction form
    13,857,570.40/20,745,821.04 = 8,082,646.24/x
  3. Step 3: Cross multiply
    13,857,570.40x = 20,745,821.04 × 8,082,646.24
  4. Step 4: Simplify right side
    13,857,570.40x = 167,681,132,424,668.88
  5. Step 5: Solve for x
    x = 167,681,132,424,668.88/13,857,570.40
  6. Step 6: Final answer
    x = 12,100,326.94

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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.