Home / 12,384,570.10-18,576,855.15-4,294,857.10

Finding the Fourth Proportional to 12,384,570.10, 18,576,855.15 and 4,294,857.10

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Solution

The fourth proportional to 12,384,570.10, 18,576,855.15 and 4,294,857.10 is: 6,442,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,570.10 : 18,576,855.15 = 4,294,857.10 : x
  2. Step 2: Convert to fraction form
    12,384,570.10/18,576,855.15 = 4,294,857.10/x
  3. Step 3: Cross multiply
    12,384,570.10x = 18,576,855.15 × 4,294,857.10
  4. Step 4: Simplify right side
    12,384,570.10x = 79,784,938,236,649.05
  5. Step 5: Solve for x
    x = 79,784,938,236,649.05/12,384,570.10
  6. Step 6: Final answer
    x = 6,442,285.65

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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.