Home / 8,307,216.40-12,459,528.60-2,628,835.60

Finding the Fourth Proportional to 8,307,216.40, 12,459,528.60 and 2,628,835.60

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Solution

The fourth proportional to 8,307,216.40, 12,459,528.60 and 2,628,835.60 is: 3,942,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307,216.40 : 12,459,528.60 = 2,628,835.60 : x
  2. Step 2: Convert to fraction form
    8,307,216.40/12,459,528.60 = 2,628,835.60/x
  3. Step 3: Cross multiply
    8,307,216.40x = 12,459,528.60 × 2,628,835.60
  4. Step 4: Simplify right side
    8,307,216.40x = 32,754,052,342,898.16
  5. Step 5: Solve for x
    x = 32,754,052,342,898.16/8,307,216.40
  6. Step 6: Final answer
    x = 3,942,843.28

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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.