Home / 30,515,179.50-42,110,964.72-16,765,029.36

Finding the Fourth Proportional to 30,515,179.50, 42,110,964.72 and 16,765,029.36

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Solution

The fourth proportional to 30,515,179.50, 42,110,964.72 and 16,765,029.36 is: 23,135,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,515,179.50 : 42,110,964.72 = 16,765,029.36 : x
  2. Step 2: Convert to fraction form
    30,515,179.50/42,110,964.72 = 16,765,029.36/x
  3. Step 3: Cross multiply
    30,515,179.50x = 42,110,964.72 × 16,765,029.36
  4. Step 4: Simplify right side
    30,515,179.50x = 705,991,559,908,724.12
  5. Step 5: Solve for x
    x = 705,991,559,908,724.12/30,515,179.50
  6. Step 6: Final answer
    x = 23,135,749.86

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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.