Home / 12,719,661.12-17,551,538.10-8,598,658.68

Finding the Fourth Proportional to 12,719,661.12, 17,551,538.10 and 8,598,658.68

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Solution

The fourth proportional to 12,719,661.12, 17,551,538.10 and 8,598,658.68 is: 11,865,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,719,661.12 : 17,551,538.10 = 8,598,658.68 : x
  2. Step 2: Convert to fraction form
    12,719,661.12/17,551,538.10 = 8,598,658.68/x
  3. Step 3: Cross multiply
    12,719,661.12x = 17,551,538.10 × 8,598,658.68
  4. Step 4: Simplify right side
    12,719,661.12x = 150,919,685,430,915.72
  5. Step 5: Solve for x
    x = 150,919,685,430,915.72/12,719,661.12
  6. Step 6: Final answer
    x = 11,865,071.25

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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.