Home / 30,941,834.09-42,701,059.67-17,190,798.21

Finding the Fourth Proportional to 30,941,834.09, 42,701,059.67 and 17,190,798.21

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Solution

The fourth proportional to 30,941,834.09, 42,701,059.67 and 17,190,798.21 is: 23,724,039.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,834.09 : 42,701,059.67 = 17,190,798.21 : x
  2. Step 2: Convert to fraction form
    30,941,834.09/42,701,059.67 = 17,190,798.21/x
  3. Step 3: Cross multiply
    30,941,834.09x = 42,701,059.67 × 17,190,798.21
  4. Step 4: Simplify right side
    30,941,834.09x = 734,065,300,054,185.25
  5. Step 5: Solve for x
    x = 734,065,300,054,185.25/30,941,834.09
  6. Step 6: Final answer
    x = 23,724,039.69

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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.