Home / 12,097,165.70-18,145,748.55-8,265,152.90

Finding the Fourth Proportional to 12,097,165.70, 18,145,748.55 and 8,265,152.90

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Solution

The fourth proportional to 12,097,165.70, 18,145,748.55 and 8,265,152.90 is: 12,397,729.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,165.70 : 18,145,748.55 = 8,265,152.90 : x
  2. Step 2: Convert to fraction form
    12,097,165.70/18,145,748.55 = 8,265,152.90/x
  3. Step 3: Cross multiply
    12,097,165.70x = 18,145,748.55 × 8,265,152.90
  4. Step 4: Simplify right side
    12,097,165.70x = 149,977,386,250,703.31
  5. Step 5: Solve for x
    x = 149,977,386,250,703.31/12,097,165.70
  6. Step 6: Final answer
    x = 12,397,729.35

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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.