Home / 8,196,292.40-12,295,035.30-3,147,602.90

Finding the Fourth Proportional to 8,196,292.40, 12,295,035.30 and 3,147,602.90

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Solution

The fourth proportional to 8,196,292.40, 12,295,035.30 and 3,147,602.90 is: 4,721,633.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,292.40 : 12,295,035.30 = 3,147,602.90 : x
  2. Step 2: Convert to fraction form
    8,196,292.40/12,295,035.30 = 3,147,602.90/x
  3. Step 3: Cross multiply
    8,196,292.40x = 12,295,035.30 × 3,147,602.90
  4. Step 4: Simplify right side
    8,196,292.40x = 38,699,888,765,882.38
  5. Step 5: Solve for x
    x = 38,699,888,765,882.38/8,196,292.40
  6. Step 6: Final answer
    x = 4,721,633.50

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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.