Home / 9,286,899.81-12,816,733.91-5,157,738.26

Finding the Fourth Proportional to 9,286,899.81, 12,816,733.91 and 5,157,738.26

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Solution

The fourth proportional to 9,286,899.81, 12,816,733.91 and 5,157,738.26 is: 7,118,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286,899.81 : 12,816,733.91 = 5,157,738.26 : x
  2. Step 2: Convert to fraction form
    9,286,899.81/12,816,733.91 = 5,157,738.26/x
  3. Step 3: Cross multiply
    9,286,899.81x = 12,816,733.91 × 5,157,738.26
  4. Step 4: Simplify right side
    9,286,899.81x = 66,105,358,792,493.28
  5. Step 5: Solve for x
    x = 66,105,358,792,493.28/9,286,899.81
  6. Step 6: Final answer
    x = 7,118,129.86

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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.