Home / 13,433,394.57-18,549,711.35-12,743,863.23

Finding the Fourth Proportional to 13,433,394.57, 18,549,711.35 and 12,743,863.23

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Solution

The fourth proportional to 13,433,394.57, 18,549,711.35 and 12,743,863.23 is: 17,597,561.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433,394.57 : 18,549,711.35 = 12,743,863.23 : x
  2. Step 2: Convert to fraction form
    13,433,394.57/18,549,711.35 = 12,743,863.23/x
  3. Step 3: Cross multiply
    13,433,394.57x = 18,549,711.35 × 12,743,863.23
  4. Step 4: Simplify right side
    13,433,394.57x = 236,394,984,400,378.69
  5. Step 5: Solve for x
    x = 236,394,984,400,378.69/13,433,394.57
  6. Step 6: Final answer
    x = 17,597,561.30

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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.