Home / 6,989,667.19-10,485,106.69-2,133,067.14

Finding the Fourth Proportional to 6,989,667.19, 10,485,106.69 and 2,133,067.14

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Solution

The fourth proportional to 6,989,667.19, 10,485,106.69 and 2,133,067.14 is: 3,199,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,667.19 : 10,485,106.69 = 2,133,067.14 : x
  2. Step 2: Convert to fraction form
    6,989,667.19/10,485,106.69 = 2,133,067.14/x
  3. Step 3: Cross multiply
    6,989,667.19x = 10,485,106.69 × 2,133,067.14
  4. Step 4: Simplify right side
    6,989,667.19x = 22,365,436,518,953.07
  5. Step 5: Solve for x
    x = 22,365,436,518,953.07/6,989,667.19
  6. Step 6: Final answer
    x = 3,199,785.62

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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.