Home / 10,379,635.10-15,570,940.65-3,191,772.70

Finding the Fourth Proportional to 10,379,635.10, 15,570,940.65 and 3,191,772.70

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Solution

The fourth proportional to 10,379,635.10, 15,570,940.65 and 3,191,772.70 is: 4,788,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379,635.10 : 15,570,940.65 = 3,191,772.70 : x
  2. Step 2: Convert to fraction form
    10,379,635.10/15,570,940.65 = 3,191,772.70/x
  3. Step 3: Cross multiply
    10,379,635.10x = 15,570,940.65 × 3,191,772.70
  4. Step 4: Simplify right side
    10,379,635.10x = 49,698,903,279,990.26
  5. Step 5: Solve for x
    x = 49,698,903,279,990.26/10,379,635.10
  6. Step 6: Final answer
    x = 4,788,116.62

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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.