Home / 21,619,928.14-29,834,188.05-12,326,198.74

Finding the Fourth Proportional to 21,619,928.14, 29,834,188.05 and 12,326,198.74

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Solution

The fourth proportional to 21,619,928.14, 29,834,188.05 and 12,326,198.74 is: 17,009,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,619,928.14 : 29,834,188.05 = 12,326,198.74 : x
  2. Step 2: Convert to fraction form
    21,619,928.14/29,834,188.05 = 12,326,198.74/x
  3. Step 3: Cross multiply
    21,619,928.14x = 29,834,188.05 × 12,326,198.74
  4. Step 4: Simplify right side
    21,619,928.14x = 367,742,131,150,833.06
  5. Step 5: Solve for x
    x = 367,742,131,150,833.06/21,619,928.14
  6. Step 6: Final answer
    x = 17,009,405.80

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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.