Home / 30,631,303.94-42,269,969.48-16,692,361.95

Finding the Fourth Proportional to 30,631,303.94, 42,269,969.48 and 16,692,361.95

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Solution

The fourth proportional to 30,631,303.94, 42,269,969.48 and 16,692,361.95 is: 23,034,789.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,631,303.94 : 42,269,969.48 = 16,692,361.95 : x
  2. Step 2: Convert to fraction form
    30,631,303.94/42,269,969.48 = 16,692,361.95/x
  3. Step 3: Cross multiply
    30,631,303.94x = 42,269,969.48 × 16,692,361.95
  4. Step 4: Simplify right side
    30,631,303.94x = 705,585,630,197,826.50
  5. Step 5: Solve for x
    x = 705,585,630,197,826.50/30,631,303.94
  6. Step 6: Final answer
    x = 23,034,789.23

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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.