Home / 12,384,039.40-18,576,059.10-11,061,341.80

Finding the Fourth Proportional to 12,384,039.40, 18,576,059.10 and 11,061,341.80

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Solution

The fourth proportional to 12,384,039.40, 18,576,059.10 and 11,061,341.80 is: 16,592,012.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384,039.40 : 18,576,059.10 = 11,061,341.80 : x
  2. Step 2: Convert to fraction form
    12,384,039.40/18,576,059.10 = 11,061,341.80/x
  3. Step 3: Cross multiply
    12,384,039.40x = 18,576,059.10 × 11,061,341.80
  4. Step 4: Simplify right side
    12,384,039.40x = 205,476,139,002,100.41
  5. Step 5: Solve for x
    x = 205,476,139,002,100.41/12,384,039.40
  6. Step 6: Final answer
    x = 16,592,012.70

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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.