Home / 28,664,522-39,557,040.36-15,787,466

Finding the Fourth Proportional to 28,664,522, 39,557,040.36 and 15,787,466

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Solution

The fourth proportional to 28,664,522, 39,557,040.36 and 15,787,466 is: 21,786,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664,522 : 39,557,040.36 = 15,787,466 : x
  2. Step 2: Convert to fraction form
    28,664,522/39,557,040.36 = 15,787,466/x
  3. Step 3: Cross multiply
    28,664,522x = 39,557,040.36 × 15,787,466
  4. Step 4: Simplify right side
    28,664,522x = 624,505,429,744,127.75
  5. Step 5: Solve for x
    x = 624,505,429,744,127.75/28,664,522
  6. Step 6: Final answer
    x = 21,786,703.08

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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.