Home / 12,384,452.70-18,576,679.05-12,118,732.20

Finding the Fourth Proportional to 12,384,452.70, 18,576,679.05 and 12,118,732.20

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Solution

The fourth proportional to 12,384,452.70, 18,576,679.05 and 12,118,732.20 is: 18,178,098.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,452.70 : 18,576,679.05 = 12,118,732.20 : x
  2. Step 2: Convert to fraction form
    12,384,452.70/18,576,679.05 = 12,118,732.20/x
  3. Step 3: Cross multiply
    12,384,452.70x = 18,576,679.05 × 12,118,732.20
  4. Step 4: Simplify right side
    12,384,452.70x = 225,125,798,572,300.41
  5. Step 5: Solve for x
    x = 225,125,798,572,300.41/12,384,452.70
  6. Step 6: Final answer
    x = 18,178,098.30

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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.