Home / 7,889,898.60-11,834,847.90-2,839,386.60

Finding the Fourth Proportional to 7,889,898.60, 11,834,847.90 and 2,839,386.60

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Solution

The fourth proportional to 7,889,898.60, 11,834,847.90 and 2,839,386.60 is: 4,259,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,898.60 : 11,834,847.90 = 2,839,386.60 : x
  2. Step 2: Convert to fraction form
    7,889,898.60/11,834,847.90 = 2,839,386.60/x
  3. Step 3: Cross multiply
    7,889,898.60x = 11,834,847.90 × 2,839,386.60
  4. Step 4: Simplify right side
    7,889,898.60x = 33,603,708,540,298.14
  5. Step 5: Solve for x
    x = 33,603,708,540,298.14/7,889,898.60
  6. Step 6: Final answer
    x = 4,259,079.90

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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.