Home / 8,085,106.10-12,127,853.55-2,405,515.70

Finding the Fourth Proportional to 8,085,106.10, 12,127,853.55 and 2,405,515.70

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Solution

The fourth proportional to 8,085,106.10, 12,127,853.55 and 2,405,515.70 is: 3,608,331.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,106.10 : 12,127,853.55 = 2,405,515.70 : x
  2. Step 2: Convert to fraction form
    8,085,106.10/12,127,853.55 = 2,405,515.70/x
  3. Step 3: Cross multiply
    8,085,106.10x = 12,127,853.55 × 2,405,515.70
  4. Step 4: Simplify right side
    8,085,106.10x = 29,173,742,121,825.74
  5. Step 5: Solve for x
    x = 29,173,742,121,825.74/8,085,106.10
  6. Step 6: Final answer
    x = 3,608,331.39

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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.