Home / 13,789,640.95-19,028,296.27-8,490,494.39

Finding the Fourth Proportional to 13,789,640.95, 19,028,296.27 and 8,490,494.39

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Solution

The fourth proportional to 13,789,640.95, 19,028,296.27 and 8,490,494.39 is: 11,716,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,640.95 : 19,028,296.27 = 8,490,494.39 : x
  2. Step 2: Convert to fraction form
    13,789,640.95/19,028,296.27 = 8,490,494.39/x
  3. Step 3: Cross multiply
    13,789,640.95x = 19,028,296.27 × 8,490,494.39
  4. Step 4: Simplify right side
    13,789,640.95x = 161,559,642,647,164.53
  5. Step 5: Solve for x
    x = 161,559,642,647,164.53/13,789,640.95
  6. Step 6: Final answer
    x = 11,716,015.18

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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.