Home / 12,434,911.80-18,652,367.70-7,383,622.20

Finding the Fourth Proportional to 12,434,911.80, 18,652,367.70 and 7,383,622.20

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Solution

The fourth proportional to 12,434,911.80, 18,652,367.70 and 7,383,622.20 is: 11,075,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434,911.80 : 18,652,367.70 = 7,383,622.20 : x
  2. Step 2: Convert to fraction form
    12,434,911.80/18,652,367.70 = 7,383,622.20/x
  3. Step 3: Cross multiply
    12,434,911.80x = 18,652,367.70 × 7,383,622.20
  4. Step 4: Simplify right side
    12,434,911.80x = 137,722,036,232,282.94
  5. Step 5: Solve for x
    x = 137,722,036,232,282.94/12,434,911.80
  6. Step 6: Final answer
    x = 11,075,433.30

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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.