Home / 7,476,435.40-11,219,901.90-3,219,658.60

Finding the Fourth Proportional to 7,476,435.40, 11,219,901.90 and 3,219,658.60

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Solution

The fourth proportional to 7,476,435.40, 11,219,901.90 and 3,219,658.60 is: 4,831,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476,435.40 : 11,219,901.90 = 3,219,658.60 : x
  2. Step 2: Convert to fraction form
    7,476,435.40/11,219,901.90 = 3,219,658.60/x
  3. Step 3: Cross multiply
    7,476,435.40x = 11,219,901.90 × 3,219,658.60
  4. Step 4: Simplify right side
    7,476,435.40x = 36,124,253,643,491.34
  5. Step 5: Solve for x
    x = 36,124,253,643,491.34/7,476,435.40
  6. Step 6: Final answer
    x = 4,831,748.25

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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.