Home / 30,515,091-42,110,842.59-16,764,940.86

Finding the Fourth Proportional to 30,515,091, 42,110,842.59 and 16,764,940.86

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Solution

The fourth proportional to 30,515,091, 42,110,842.59 and 16,764,940.86 is: 23,135,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515,091 : 42,110,842.59 = 16,764,940.86 : x
  2. Step 2: Convert to fraction form
    30,515,091/42,110,842.59 = 16,764,940.86/x
  3. Step 3: Cross multiply
    30,515,091x = 42,110,842.59 × 16,764,940.86
  4. Step 4: Simplify right side
    30,515,091x = 705,985,785,586,119.25
  5. Step 5: Solve for x
    x = 705,985,785,586,119.25/30,515,091
  6. Step 6: Final answer
    x = 23,135,627.73

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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.