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Finding the Fourth Proportional to 9,797,899.78, 13,527,699.69 and 8,762,194.18

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Solution

The fourth proportional to 9,797,899.78, 13,527,699.69 and 8,762,194.18 is: 12,097,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,797,899.78 : 13,527,699.69 = 8,762,194.18 : x
  2. Step 2: Convert to fraction form
    9,797,899.78/13,527,699.69 = 8,762,194.18/x
  3. Step 3: Cross multiply
    9,797,899.78x = 13,527,699.69 × 8,762,194.18
  4. Step 4: Simplify right side
    9,797,899.78x = 118,532,331,492,505.80
  5. Step 5: Solve for x
    x = 118,532,331,492,505.80/9,797,899.78
  6. Step 6: Final answer
    x = 12,097,728.51

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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.