Home / 12,096,735.80-18,145,103.70-8,065,657.40

Finding the Fourth Proportional to 12,096,735.80, 18,145,103.70 and 8,065,657.40

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Solution

The fourth proportional to 12,096,735.80, 18,145,103.70 and 8,065,657.40 is: 12,098,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,735.80 : 18,145,103.70 = 8,065,657.40 : x
  2. Step 2: Convert to fraction form
    12,096,735.80/18,145,103.70 = 8,065,657.40/x
  3. Step 3: Cross multiply
    12,096,735.80x = 18,145,103.70 × 8,065,657.40
  4. Step 4: Simplify right side
    12,096,735.80x = 146,352,189,931,672.38
  5. Step 5: Solve for x
    x = 146,352,189,931,672.38/12,096,735.80
  6. Step 6: Final answer
    x = 12,098,486.10

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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.