Home / 30,515,186.76-42,110,974.74-16,765,036.60

Finding the Fourth Proportional to 30,515,186.76, 42,110,974.74 and 16,765,036.60

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Solution

The fourth proportional to 30,515,186.76, 42,110,974.74 and 16,765,036.60 is: 23,135,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515,186.76 : 42,110,974.74 = 16,765,036.60 : x
  2. Step 2: Convert to fraction form
    30,515,186.76/42,110,974.74 = 16,765,036.60/x
  3. Step 3: Cross multiply
    30,515,186.76x = 42,110,974.74 × 16,765,036.60
  4. Step 4: Simplify right side
    30,515,186.76x = 705,992,032,777,775.50
  5. Step 5: Solve for x
    x = 705,992,032,777,775.50/30,515,186.76
  6. Step 6: Final answer
    x = 23,135,759.85

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1.5x scale

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.