Home / 8,201,602.70-12,302,404.05-3,407,698.70

Finding the Fourth Proportional to 8,201,602.70, 12,302,404.05 and 3,407,698.70

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Solution

The fourth proportional to 8,201,602.70, 12,302,404.05 and 3,407,698.70 is: 5,111,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,602.70 : 12,302,404.05 = 3,407,698.70 : x
  2. Step 2: Convert to fraction form
    8,201,602.70/12,302,404.05 = 3,407,698.70/x
  3. Step 3: Cross multiply
    8,201,602.70x = 12,302,404.05 × 3,407,698.70
  4. Step 4: Simplify right side
    8,201,602.70x = 41,922,886,288,059.74
  5. Step 5: Solve for x
    x = 41,922,886,288,059.74/8,201,602.70
  6. Step 6: Final answer
    x = 5,111,548.05

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Double scale
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Similar ratio
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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.