Home / 54,208,920.45-81,314,429.22-13,268,710.56

Finding the Fourth Proportional to 54,208,920.45, 81,314,429.22 and 13,268,710.56

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Solution

The fourth proportional to 54,208,920.45, 81,314,429.22 and 13,268,710.56 is: 19,903,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,208,920.45 : 81,314,429.22 = 13,268,710.56 : x
  2. Step 2: Convert to fraction form
    54,208,920.45/81,314,429.22 = 13,268,710.56/x
  3. Step 3: Cross multiply
    54,208,920.45x = 81,314,429.22 × 13,268,710.56
  4. Step 4: Simplify right side
    54,208,920.45x = 1,078,937,625,671,786.62
  5. Step 5: Solve for x
    x = 1,078,937,625,671,786.62/54,208,920.45
  6. Step 6: Final answer
    x = 19,903,322.49

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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.