Home / 52,517,590.60-78,857,486.70-28,629,718.60

Finding the Fourth Proportional to 52,517,590.60, 78,857,486.70 and 28,629,718.60

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Solution

The fourth proportional to 52,517,590.60, 78,857,486.70 and 28,629,718.60 is: 42,988,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,517,590.60 : 78,857,486.70 = 28,629,718.60 : x
  2. Step 2: Convert to fraction form
    52,517,590.60/78,857,486.70 = 28,629,718.60/x
  3. Step 3: Cross multiply
    52,517,590.60x = 78,857,486.70 × 28,629,718.60
  4. Step 4: Simplify right side
    52,517,590.60x = 2,257,667,653,724,243
  5. Step 5: Solve for x
    x = 2,257,667,653,724,243/52,517,590.60
  6. Step 6: Final answer
    x = 42,988,789.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.