Home / 8,196,296.40-12,295,041.30-3,147,606.90

Finding the Fourth Proportional to 8,196,296.40, 12,295,041.30 and 3,147,606.90

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Solution

The fourth proportional to 8,196,296.40, 12,295,041.30 and 3,147,606.90 is: 4,721,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196,296.40 : 12,295,041.30 = 3,147,606.90 : x
  2. Step 2: Convert to fraction form
    8,196,296.40/12,295,041.30 = 3,147,606.90/x
  3. Step 3: Cross multiply
    8,196,296.40x = 12,295,041.30 × 3,147,606.90
  4. Step 4: Simplify right side
    8,196,296.40x = 38,699,956,831,664.97
  5. Step 5: Solve for x
    x = 38,699,956,831,664.97/8,196,296.40
  6. Step 6: Final answer
    x = 4,721,639.50

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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.