Home / 28,346,863.73-39,097,784.93-21,377,834.64

Finding the Fourth Proportional to 28,346,863.73, 39,097,784.93 and 21,377,834.64

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Solution

The fourth proportional to 28,346,863.73, 39,097,784.93 and 21,377,834.64 is: 29,485,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,863.73 : 39,097,784.93 = 21,377,834.64 : x
  2. Step 2: Convert to fraction form
    28,346,863.73/39,097,784.93 = 21,377,834.64/x
  3. Step 3: Cross multiply
    28,346,863.73x = 39,097,784.93 × 21,377,834.64
  4. Step 4: Simplify right side
    28,346,863.73x = 835,825,980,916,934.75
  5. Step 5: Solve for x
    x = 835,825,980,916,934.75/28,346,863.73
  6. Step 6: Final answer
    x = 29,485,659.83

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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.