Home / 7,129,234.70-10,693,852.05-3,535,556.30

Finding the Fourth Proportional to 7,129,234.70, 10,693,852.05 and 3,535,556.30

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Solution

The fourth proportional to 7,129,234.70, 10,693,852.05 and 3,535,556.30 is: 5,303,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,234.70 : 10,693,852.05 = 3,535,556.30 : x
  2. Step 2: Convert to fraction form
    7,129,234.70/10,693,852.05 = 3,535,556.30/x
  3. Step 3: Cross multiply
    7,129,234.70x = 10,693,852.05 × 3,535,556.30
  4. Step 4: Simplify right side
    7,129,234.70x = 37,808,715,986,645.41
  5. Step 5: Solve for x
    x = 37,808,715,986,645.41/7,129,234.70
  6. Step 6: Final answer
    x = 5,303,334.45

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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.