Home / 13,285,991.56-18,334,724.34-7,484,842.84

Finding the Fourth Proportional to 13,285,991.56, 18,334,724.34 and 7,484,842.84

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Solution

The fourth proportional to 13,285,991.56, 18,334,724.34 and 7,484,842.84 is: 10,329,114.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,991.56 : 18,334,724.34 = 7,484,842.84 : x
  2. Step 2: Convert to fraction form
    13,285,991.56/18,334,724.34 = 7,484,842.84/x
  3. Step 3: Cross multiply
    13,285,991.56x = 18,334,724.34 × 7,484,842.84
  4. Step 4: Simplify right side
    13,285,991.56x = 137,232,530,199,622.72
  5. Step 5: Solve for x
    x = 137,232,530,199,622.72/13,285,991.56
  6. Step 6: Final answer
    x = 10,329,114.66

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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.