Home / 9,181,384.80-13,772,077.20-7,764,208.80

Finding the Fourth Proportional to 9,181,384.80, 13,772,077.20 and 7,764,208.80

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Solution

The fourth proportional to 9,181,384.80, 13,772,077.20 and 7,764,208.80 is: 11,646,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,384.80 : 13,772,077.20 = 7,764,208.80 : x
  2. Step 2: Convert to fraction form
    9,181,384.80/13,772,077.20 = 7,764,208.80/x
  3. Step 3: Cross multiply
    9,181,384.80x = 13,772,077.20 × 7,764,208.80
  4. Step 4: Simplify right side
    9,181,384.80x = 106,929,282,990,519.36
  5. Step 5: Solve for x
    x = 106,929,282,990,519.36/9,181,384.80
  6. Step 6: Final answer
    x = 11,646,313.20

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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.