Home / 7,986,738.40-11,980,107.60-4,963,429.60

Finding the Fourth Proportional to 7,986,738.40, 11,980,107.60 and 4,963,429.60

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Solution

The fourth proportional to 7,986,738.40, 11,980,107.60 and 4,963,429.60 is: 7,445,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986,738.40 : 11,980,107.60 = 4,963,429.60 : x
  2. Step 2: Convert to fraction form
    7,986,738.40/11,980,107.60 = 4,963,429.60/x
  3. Step 3: Cross multiply
    7,986,738.40x = 11,980,107.60 × 4,963,429.60
  4. Step 4: Simplify right side
    7,986,738.40x = 59,462,420,673,024.95
  5. Step 5: Solve for x
    x = 59,462,420,673,024.95/7,986,738.40
  6. Step 6: Final answer
    x = 7,445,144.40

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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.