Home / 9,968,728.85-13,759,405.23-6,492,729.28

Finding the Fourth Proportional to 9,968,728.85, 13,759,405.23 and 6,492,729.28

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Solution

The fourth proportional to 9,968,728.85, 13,759,405.23 and 6,492,729.28 is: 8,961,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,728.85 : 13,759,405.23 = 6,492,729.28 : x
  2. Step 2: Convert to fraction form
    9,968,728.85/13,759,405.23 = 6,492,729.28/x
  3. Step 3: Cross multiply
    9,968,728.85x = 13,759,405.23 × 6,492,729.28
  4. Step 4: Simplify right side
    9,968,728.85x = 89,336,093,212,206.14
  5. Step 5: Solve for x
    x = 89,336,093,212,206.14/9,968,728.85
  6. Step 6: Final answer
    x = 8,961,633.38

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Double scale
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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.