Home / 13,746,017.72-20,618,756.95-5,548,441.88

Finding the Fourth Proportional to 13,746,017.72, 20,618,756.95 and 5,548,441.88

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Solution

The fourth proportional to 13,746,017.72, 20,618,756.95 and 5,548,441.88 is: 8,322,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746,017.72 : 20,618,756.95 = 5,548,441.88 : x
  2. Step 2: Convert to fraction form
    13,746,017.72/20,618,756.95 = 5,548,441.88/x
  3. Step 3: Cross multiply
    13,746,017.72x = 20,618,756.95 × 5,548,441.88
  4. Step 4: Simplify right side
    13,746,017.72x = 114,401,974,444,085.08
  5. Step 5: Solve for x
    x = 114,401,974,444,085.08/13,746,017.72
  6. Step 6: Final answer
    x = 8,322,553.98

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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.