Home / 28,393,361-39,182,838.20-16,171,355.24

Finding the Fourth Proportional to 28,393,361, 39,182,838.20 and 16,171,355.24

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Solution

The fourth proportional to 28,393,361, 39,182,838.20 and 16,171,355.24 is: 22,316,470.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,393,361 : 39,182,838.20 = 16,171,355.24 : x
  2. Step 2: Convert to fraction form
    28,393,361/39,182,838.20 = 16,171,355.24/x
  3. Step 3: Cross multiply
    28,393,361x = 39,182,838.20 × 16,171,355.24
  4. Step 4: Simplify right side
    28,393,361x = 633,639,595,843,642.25
  5. Step 5: Solve for x
    x = 633,639,595,843,642.25/28,393,361
  6. Step 6: Final answer
    x = 22,316,470.24

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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.