Home / 28,575,338.49-39,429,292.59-16,824,509.33

Finding the Fourth Proportional to 28,575,338.49, 39,429,292.59 and 16,824,509.33

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Solution

The fourth proportional to 28,575,338.49, 39,429,292.59 and 16,824,509.33 is: 23,215,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575,338.49 : 39,429,292.59 = 16,824,509.33 : x
  2. Step 2: Convert to fraction form
    28,575,338.49/39,429,292.59 = 16,824,509.33/x
  3. Step 3: Cross multiply
    28,575,338.49x = 39,429,292.59 × 16,824,509.33
  4. Step 4: Simplify right side
    28,575,338.49x = 663,378,500,858,608.38
  5. Step 5: Solve for x
    x = 663,378,500,858,608.38/28,575,338.49
  6. Step 6: Final answer
    x = 23,215,070.61

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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.