Home / 9,285,941.98-12,813,975.46-5,155,759.68

Finding the Fourth Proportional to 9,285,941.98, 12,813,975.46 and 5,155,759.68

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Solution

The fourth proportional to 9,285,941.98, 12,813,975.46 and 5,155,759.68 is: 7,114,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285,941.98 : 12,813,975.46 = 5,155,759.68 : x
  2. Step 2: Convert to fraction form
    9,285,941.98/12,813,975.46 = 5,155,759.68/x
  3. Step 3: Cross multiply
    9,285,941.98x = 12,813,975.46 × 5,155,759.68
  4. Step 4: Simplify right side
    9,285,941.98x = 66,065,778,017,177.45
  5. Step 5: Solve for x
    x = 66,065,778,017,177.45/9,285,941.98
  6. Step 6: Final answer
    x = 7,114,601.64

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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.