Home / 12,096,013.90-18,144,020.85-9,968,500.30

Finding the Fourth Proportional to 12,096,013.90, 18,144,020.85 and 9,968,500.30

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Solution

The fourth proportional to 12,096,013.90, 18,144,020.85 and 9,968,500.30 is: 14,952,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,013.90 : 18,144,020.85 = 9,968,500.30 : x
  2. Step 2: Convert to fraction form
    12,096,013.90/18,144,020.85 = 9,968,500.30/x
  3. Step 3: Cross multiply
    12,096,013.90x = 18,144,020.85 × 9,968,500.30
  4. Step 4: Simplify right side
    12,096,013.90x = 180,868,677,286,431.28
  5. Step 5: Solve for x
    x = 180,868,677,286,431.28/12,096,013.90
  6. Step 6: Final answer
    x = 14,952,750.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.