Home / 28,346,844.58-39,097,758.53-21,377,815.49

Finding the Fourth Proportional to 28,346,844.58, 39,097,758.53 and 21,377,815.49

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Solution

The fourth proportional to 28,346,844.58, 39,097,758.53 and 21,377,815.49 is: 29,485,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346,844.58 : 39,097,758.53 = 21,377,815.49 : x
  2. Step 2: Convert to fraction form
    28,346,844.58/39,097,758.53 = 21,377,815.49/x
  3. Step 3: Cross multiply
    28,346,844.58x = 39,097,758.53 × 21,377,815.49
  4. Step 4: Simplify right side
    28,346,844.58x = 835,824,668,078,102.50
  5. Step 5: Solve for x
    x = 835,824,668,078,102.50/28,346,844.58
  6. Step 6: Final answer
    x = 29,485,633.43

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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.