Home / 10,297,314.20-15,445,971.30-7,913,192.60

Finding the Fourth Proportional to 10,297,314.20, 15,445,971.30 and 7,913,192.60

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Solution

The fourth proportional to 10,297,314.20, 15,445,971.30 and 7,913,192.60 is: 11,869,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297,314.20 : 15,445,971.30 = 7,913,192.60 : x
  2. Step 2: Convert to fraction form
    10,297,314.20/15,445,971.30 = 7,913,192.60/x
  3. Step 3: Cross multiply
    10,297,314.20x = 15,445,971.30 × 7,913,192.60
  4. Step 4: Simplify right side
    10,297,314.20x = 122,226,945,790,972.38
  5. Step 5: Solve for x
    x = 122,226,945,790,972.38/10,297,314.20
  6. Step 6: Final answer
    x = 11,869,788.90

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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.