Home / 30,354,631.96-41,889,517.44-16,415,986.76

Finding the Fourth Proportional to 30,354,631.96, 41,889,517.44 and 16,415,986.76

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Solution

The fourth proportional to 30,354,631.96, 41,889,517.44 and 16,415,986.76 is: 22,654,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,354,631.96 : 41,889,517.44 = 16,415,986.76 : x
  2. Step 2: Convert to fraction form
    30,354,631.96/41,889,517.44 = 16,415,986.76/x
  3. Step 3: Cross multiply
    30,354,631.96x = 41,889,517.44 × 16,415,986.76
  4. Step 4: Simplify right side
    30,354,631.96x = 687,657,763,677,829
  5. Step 5: Solve for x
    x = 687,657,763,677,829/30,354,631.96
  6. Step 6: Final answer
    x = 22,654,129.51

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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.