Home / 30,809,223.06-42,518,056.26-17,058,186.78

Finding the Fourth Proportional to 30,809,223.06, 42,518,056.26 and 17,058,186.78

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Solution

The fourth proportional to 30,809,223.06, 42,518,056.26 and 17,058,186.78 is: 23,541,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809,223.06 : 42,518,056.26 = 17,058,186.78 : x
  2. Step 2: Convert to fraction form
    30,809,223.06/42,518,056.26 = 17,058,186.78/x
  3. Step 3: Cross multiply
    30,809,223.06x = 42,518,056.26 × 17,058,186.78
  4. Step 4: Simplify right side
    30,809,223.06x = 725,280,945,205,628.25
  5. Step 5: Solve for x
    x = 725,280,945,205,628.25/30,809,223.06
  6. Step 6: Final answer
    x = 23,541,033.27

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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.