Home / 30,611,116.12-42,243,383.48-16,672,525.96

Finding the Fourth Proportional to 30,611,116.12, 42,243,383.48 and 16,672,525.96

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Solution

The fourth proportional to 30,611,116.12, 42,243,383.48 and 16,672,525.96 is: 23,008,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611,116.12 : 42,243,383.48 = 16,672,525.96 : x
  2. Step 2: Convert to fraction form
    30,611,116.12/42,243,383.48 = 16,672,525.96/x
  3. Step 3: Cross multiply
    30,611,116.12x = 42,243,383.48 × 16,672,525.96
  4. Step 4: Simplify right side
    30,611,116.12x = 704,303,907,708,535.12
  5. Step 5: Solve for x
    x = 704,303,907,708,535.12/30,611,116.12
  6. Step 6: Final answer
    x = 23,008,109.37

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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.