Home / 12,783,610.40-19,175,415.60-3,685,690.40

Finding the Fourth Proportional to 12,783,610.40, 19,175,415.60 and 3,685,690.40

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Solution

The fourth proportional to 12,783,610.40, 19,175,415.60 and 3,685,690.40 is: 5,528,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,783,610.40 : 19,175,415.60 = 3,685,690.40 : x
  2. Step 2: Convert to fraction form
    12,783,610.40/19,175,415.60 = 3,685,690.40/x
  3. Step 3: Cross multiply
    12,783,610.40x = 19,175,415.60 × 3,685,690.40
  4. Step 4: Simplify right side
    12,783,610.40x = 70,674,645,192,930.25
  5. Step 5: Solve for x
    x = 70,674,645,192,930.25/12,783,610.40
  6. Step 6: Final answer
    x = 5,528,535.60

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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.