Home / 13,490,522.62-18,618,722.58-7,611,363.61

Finding the Fourth Proportional to 13,490,522.62, 18,618,722.58 and 7,611,363.61

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Solution

The fourth proportional to 13,490,522.62, 18,618,722.58 and 7,611,363.61 is: 10,504,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490,522.62 : 18,618,722.58 = 7,611,363.61 : x
  2. Step 2: Convert to fraction form
    13,490,522.62/18,618,722.58 = 7,611,363.61/x
  3. Step 3: Cross multiply
    13,490,522.62x = 18,618,722.58 × 7,611,363.61
  4. Step 4: Simplify right side
    13,490,522.62x = 141,713,867,510,097.31
  5. Step 5: Solve for x
    x = 141,713,867,510,097.31/13,490,522.62
  6. Step 6: Final answer
    x = 10,504,698.11

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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.