Home / 21,608,804.55-29,819,933.27-11,819,439.90

Finding the Fourth Proportional to 21,608,804.55, 29,819,933.27 and 11,819,439.90

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Solution

The fourth proportional to 21,608,804.55, 29,819,933.27 and 11,819,439.90 is: 16,310,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,608,804.55 : 29,819,933.27 = 11,819,439.90 : x
  2. Step 2: Convert to fraction form
    21,608,804.55/29,819,933.27 = 11,819,439.90/x
  3. Step 3: Cross multiply
    21,608,804.55x = 29,819,933.27 × 11,819,439.90
  4. Step 4: Simplify right side
    21,608,804.55x = 352,454,909,047,678.31
  5. Step 5: Solve for x
    x = 352,454,909,047,678.31/21,608,804.55
  6. Step 6: Final answer
    x = 16,310,708.36

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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.