Home / 28,606,366.96-39,476,321.30-15,553,954.55

Finding the Fourth Proportional to 28,606,366.96, 39,476,321.30 and 15,553,954.55

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Solution

The fourth proportional to 28,606,366.96, 39,476,321.30 and 15,553,954.55 is: 21,464,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606,366.96 : 39,476,321.30 = 15,553,954.55 : x
  2. Step 2: Convert to fraction form
    28,606,366.96/39,476,321.30 = 15,553,954.55/x
  3. Step 3: Cross multiply
    28,606,366.96x = 39,476,321.30 × 15,553,954.55
  4. Step 4: Simplify right side
    28,606,366.96x = 614,012,907,438,972.62
  5. Step 5: Solve for x
    x = 614,012,907,438,972.62/28,606,366.96
  6. Step 6: Final answer
    x = 21,464,204.40

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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.