Home / 8,400,765.16-12,603,762.68-3,009,461.84

Finding the Fourth Proportional to 8,400,765.16, 12,603,762.68 and 3,009,461.84

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Solution

The fourth proportional to 8,400,765.16, 12,603,762.68 and 3,009,461.84 is: 4,515,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400,765.16 : 12,603,762.68 = 3,009,461.84 : x
  2. Step 2: Convert to fraction form
    8,400,765.16/12,603,762.68 = 3,009,461.84/x
  3. Step 3: Cross multiply
    8,400,765.16x = 12,603,762.68 × 3,009,461.84
  4. Step 4: Simplify right side
    8,400,765.16x = 37,930,542,825,876.12
  5. Step 5: Solve for x
    x = 37,930,542,825,876.12/8,400,765.16
  6. Step 6: Final answer
    x = 4,515,129.53

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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.