Home / 47,285,420.80-70,928,131.20-11,383,628.80

Finding the Fourth Proportional to 47,285,420.80, 70,928,131.20 and 11,383,628.80

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Solution

The fourth proportional to 47,285,420.80, 70,928,131.20 and 11,383,628.80 is: 17,075,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,285,420.80 : 70,928,131.20 = 11,383,628.80 : x
  2. Step 2: Convert to fraction form
    47,285,420.80/70,928,131.20 = 11,383,628.80/x
  3. Step 3: Cross multiply
    47,285,420.80x = 70,928,131.20 × 11,383,628.80
  4. Step 4: Simplify right side
    47,285,420.80x = 807,419,517,058,498.62
  5. Step 5: Solve for x
    x = 807,419,517,058,498.62/47,285,420.80
  6. Step 6: Final answer
    x = 17,075,443.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.