Home / 11,145,415.60-16,718,123.40-8,106,360.40

Finding the Fourth Proportional to 11,145,415.60, 16,718,123.40 and 8,106,360.40

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Solution

The fourth proportional to 11,145,415.60, 16,718,123.40 and 8,106,360.40 is: 12,159,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145,415.60 : 16,718,123.40 = 8,106,360.40 : x
  2. Step 2: Convert to fraction form
    11,145,415.60/16,718,123.40 = 8,106,360.40/x
  3. Step 3: Cross multiply
    11,145,415.60x = 16,718,123.40 × 8,106,360.40
  4. Step 4: Simplify right side
    11,145,415.60x = 135,523,133,492,073.38
  5. Step 5: Solve for x
    x = 135,523,133,492,073.38/11,145,415.60
  6. Step 6: Final answer
    x = 12,159,540.60

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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.