Home / 13,118,633.12-18,104,524.68-7,238,238.50

Finding the Fourth Proportional to 13,118,633.12, 18,104,524.68 and 7,238,238.50

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Solution

The fourth proportional to 13,118,633.12, 18,104,524.68 and 7,238,238.50 is: 9,989,216.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118,633.12 : 18,104,524.68 = 7,238,238.50 : x
  2. Step 2: Convert to fraction form
    13,118,633.12/18,104,524.68 = 7,238,238.50/x
  3. Step 3: Cross multiply
    13,118,633.12x = 18,104,524.68 × 7,238,238.50
  4. Step 4: Simplify right side
    13,118,633.12x = 131,044,867,562,976.17
  5. Step 5: Solve for x
    x = 131,044,867,562,976.17/13,118,633.12
  6. Step 6: Final answer
    x = 9,989,216.59

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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.