Home / 13,527,229.29-18,668,757.41-7,416,838.77

Finding the Fourth Proportional to 13,527,229.29, 18,668,757.41 and 7,416,838.77

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Solution

The fourth proportional to 13,527,229.29, 18,668,757.41 and 7,416,838.77 is: 10,235,885.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,229.29 : 18,668,757.41 = 7,416,838.77 : x
  2. Step 2: Convert to fraction form
    13,527,229.29/18,668,757.41 = 7,416,838.77/x
  3. Step 3: Cross multiply
    13,527,229.29x = 18,668,757.41 × 7,416,838.77
  4. Step 4: Simplify right side
    13,527,229.29x = 138,463,163,806,949.58
  5. Step 5: Solve for x
    x = 138,463,163,806,949.58/13,527,229.29
  6. Step 6: Final answer
    x = 10,235,885.03

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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.