Home / 15,711,858.50-21,682,155.94-8,836,340.36

Finding the Fourth Proportional to 15,711,858.50, 21,682,155.94 and 8,836,340.36

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Solution

The fourth proportional to 15,711,858.50, 21,682,155.94 and 8,836,340.36 is: 12,194,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711,858.50 : 21,682,155.94 = 8,836,340.36 : x
  2. Step 2: Convert to fraction form
    15,711,858.50/21,682,155.94 = 8,836,340.36/x
  3. Step 3: Cross multiply
    15,711,858.50x = 21,682,155.94 × 8,836,340.36
  4. Step 4: Simplify right side
    15,711,858.50x = 191,590,909,493,934.12
  5. Step 5: Solve for x
    x = 191,590,909,493,934.12/15,711,858.50
  6. Step 6: Final answer
    x = 12,194,032.27

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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.