Home / 9,212,154.87-12,708,661.95-5,342,433.33

Finding the Fourth Proportional to 9,212,154.87, 12,708,661.95 and 5,342,433.33

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Solution

The fourth proportional to 9,212,154.87, 12,708,661.95 and 5,342,433.33 is: 7,370,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212,154.87 : 12,708,661.95 = 5,342,433.33 : x
  2. Step 2: Convert to fraction form
    9,212,154.87/12,708,661.95 = 5,342,433.33/x
  3. Step 3: Cross multiply
    9,212,154.87x = 12,708,661.95 × 5,342,433.33
  4. Step 4: Simplify right side
    9,212,154.87x = 67,895,179,181,382.79
  5. Step 5: Solve for x
    x = 67,895,179,181,382.79/9,212,154.87
  6. Step 6: Final answer
    x = 7,370,173.44

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1.5x scale

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.