Home / 12,784,457.12-19,179,519.32-3,685,844.66

Finding the Fourth Proportional to 12,784,457.12, 19,179,519.32 and 3,685,844.66

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Solution

The fourth proportional to 12,784,457.12, 19,179,519.32 and 3,685,844.66 is: 5,529,583.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784,457.12 : 19,179,519.32 = 3,685,844.66 : x
  2. Step 2: Convert to fraction form
    12,784,457.12/19,179,519.32 = 3,685,844.66/x
  3. Step 3: Cross multiply
    12,784,457.12x = 19,179,519.32 × 3,685,844.66
  4. Step 4: Simplify right side
    12,784,457.12x = 70,692,728,924,152.25
  5. Step 5: Solve for x
    x = 70,692,728,924,152.25/12,784,457.12
  6. Step 6: Final answer
    x = 5,529,583.95

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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.