Home / 9,332,621.88-12,879,784.73-5,147,125.45

Finding the Fourth Proportional to 9,332,621.88, 12,879,784.73 and 5,147,125.45

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Solution

The fourth proportional to 9,332,621.88, 12,879,784.73 and 5,147,125.45 is: 7,103,455.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332,621.88 : 12,879,784.73 = 5,147,125.45 : x
  2. Step 2: Convert to fraction form
    9,332,621.88/12,879,784.73 = 5,147,125.45/x
  3. Step 3: Cross multiply
    9,332,621.88x = 12,879,784.73 × 5,147,125.45
  4. Step 4: Simplify right side
    9,332,621.88x = 66,293,867,774,304.38
  5. Step 5: Solve for x
    x = 66,293,867,774,304.38/9,332,621.88
  6. Step 6: Final answer
    x = 7,103,455.88

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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.