Home / 13,184,322.76-19,783,832.46-7,118,926.12

Finding the Fourth Proportional to 13,184,322.76, 19,783,832.46 and 7,118,926.12

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Solution

The fourth proportional to 13,184,322.76, 19,783,832.46 and 7,118,926.12 is: 10,682,356.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,322.76 : 19,783,832.46 = 7,118,926.12 : x
  2. Step 2: Convert to fraction form
    13,184,322.76/19,783,832.46 = 7,118,926.12/x
  3. Step 3: Cross multiply
    13,184,322.76x = 19,783,832.46 × 7,118,926.12
  4. Step 4: Simplify right side
    13,184,322.76x = 140,839,641,653,197.88
  5. Step 5: Solve for x
    x = 140,839,641,653,197.88/13,184,322.76
  6. Step 6: Final answer
    x = 10,682,356.93

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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.