Home / 30,941,804.07-42,701,018.21-17,190,768.20

Finding the Fourth Proportional to 30,941,804.07, 42,701,018.21 and 17,190,768.20

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Solution

The fourth proportional to 30,941,804.07, 42,701,018.21 and 17,190,768.20 is: 23,723,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,804.07 : 42,701,018.21 = 17,190,768.20 : x
  2. Step 2: Convert to fraction form
    30,941,804.07/42,701,018.21 = 17,190,768.20/x
  3. Step 3: Cross multiply
    30,941,804.07x = 42,701,018.21 × 17,190,768.20
  4. Step 4: Simplify right side
    30,941,804.07x = 734,063,305,652,630
  5. Step 5: Solve for x
    x = 734,063,305,652,630/30,941,804.07
  6. Step 6: Final answer
    x = 23,723,998.25

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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.