Home / 8,148,455.90-12,204,021.45-4,154,702.30

Finding the Fourth Proportional to 8,148,455.90, 12,204,021.45 and 4,154,702.30

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Solution

The fourth proportional to 8,148,455.90, 12,204,021.45 and 4,154,702.30 is: 6,222,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148,455.90 : 12,204,021.45 = 4,154,702.30 : x
  2. Step 2: Convert to fraction form
    8,148,455.90/12,204,021.45 = 4,154,702.30/x
  3. Step 3: Cross multiply
    8,148,455.90x = 12,204,021.45 × 4,154,702.30
  4. Step 4: Simplify right side
    8,148,455.90x = 50,704,075,987,564.33
  5. Step 5: Solve for x
    x = 50,704,075,987,564.33/8,148,455.90
  6. Step 6: Final answer
    x = 6,222,537.94

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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.