Home / 30,363,829.67-41,858,503.25-21,646,868.69

Finding the Fourth Proportional to 30,363,829.67, 41,858,503.25 and 21,646,868.69

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Solution

The fourth proportional to 30,363,829.67, 41,858,503.25 and 21,646,868.69 is: 29,841,608.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363,829.67 : 41,858,503.25 = 21,646,868.69 : x
  2. Step 2: Convert to fraction form
    30,363,829.67/41,858,503.25 = 21,646,868.69/x
  3. Step 3: Cross multiply
    30,363,829.67x = 41,858,503.25 × 21,646,868.69
  4. Step 4: Simplify right side
    30,363,829.67x = 906,105,523,095,161.25
  5. Step 5: Solve for x
    x = 906,105,523,095,161.25/30,363,829.67
  6. Step 6: Final answer
    x = 29,841,608.69

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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.