Home / 28,664,544.52-39,557,071.40-15,787,488.52

Finding the Fourth Proportional to 28,664,544.52, 39,557,071.40 and 15,787,488.52

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Solution

The fourth proportional to 28,664,544.52, 39,557,071.40 and 15,787,488.52 is: 21,786,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664,544.52 : 39,557,071.40 = 15,787,488.52 : x
  2. Step 2: Convert to fraction form
    28,664,544.52/39,557,071.40 = 15,787,488.52/x
  3. Step 3: Cross multiply
    28,664,544.52x = 39,557,071.40 × 15,787,488.52
  4. Step 4: Simplify right side
    28,664,544.52x = 624,506,810,612,320.25
  5. Step 5: Solve for x
    x = 624,506,810,612,320.25/28,664,544.52
  6. Step 6: Final answer
    x = 21,786,734.14

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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.