Home / 10,385,573.88-15,564,435.74-8,082,847.52

Finding the Fourth Proportional to 10,385,573.88, 15,564,435.74 and 8,082,847.52

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Solution

The fourth proportional to 10,385,573.88, 15,564,435.74 and 8,082,847.52 is: 12,113,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385,573.88 : 15,564,435.74 = 8,082,847.52 : x
  2. Step 2: Convert to fraction form
    10,385,573.88/15,564,435.74 = 8,082,847.52/x
  3. Step 3: Cross multiply
    10,385,573.88x = 15,564,435.74 × 8,082,847.52
  4. Step 4: Simplify right side
    10,385,573.88x = 125,804,960,821,258.36
  5. Step 5: Solve for x
    x = 125,804,960,821,258.36/10,385,573.88
  6. Step 6: Final answer
    x = 12,113,433.72

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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.