Home / 21,509,364.59-29,682,927.39-11,719,808.75

Finding the Fourth Proportional to 21,509,364.59, 29,682,927.39 and 11,719,808.75

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Solution

The fourth proportional to 21,509,364.59, 29,682,927.39 and 11,719,808.75 is: 16,173,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509,364.59 : 29,682,927.39 = 11,719,808.75 : x
  2. Step 2: Convert to fraction form
    21,509,364.59/29,682,927.39 = 11,719,808.75/x
  3. Step 3: Cross multiply
    21,509,364.59x = 29,682,927.39 × 11,719,808.75
  4. Step 4: Simplify right side
    21,509,364.59x = 347,878,232,002,522
  5. Step 5: Solve for x
    x = 347,878,232,002,522/21,509,364.59
  6. Step 6: Final answer
    x = 16,173,338.39

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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.