Home / 13,729,279.46-20,472,619.45-13,606,051.58

Finding the Fourth Proportional to 13,729,279.46, 20,472,619.45 and 13,606,051.58

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Solution

The fourth proportional to 13,729,279.46, 20,472,619.45 and 13,606,051.58 is: 20,288,866.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,279.46 : 20,472,619.45 = 13,606,051.58 : x
  2. Step 2: Convert to fraction form
    13,729,279.46/20,472,619.45 = 13,606,051.58/x
  3. Step 3: Cross multiply
    13,729,279.46x = 20,472,619.45 × 13,606,051.58
  4. Step 4: Simplify right side
    13,729,279.46x = 278,551,516,214,411.22
  5. Step 5: Solve for x
    x = 278,551,516,214,411.22/13,729,279.46
  6. Step 6: Final answer
    x = 20,288,866.36

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.