Home / 10,379,616.60-15,570,912.90-3,191,754.20

Finding the Fourth Proportional to 10,379,616.60, 15,570,912.90 and 3,191,754.20

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Solution

The fourth proportional to 10,379,616.60, 15,570,912.90 and 3,191,754.20 is: 4,788,088.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379,616.60 : 15,570,912.90 = 3,191,754.20 : x
  2. Step 2: Convert to fraction form
    10,379,616.60/15,570,912.90 = 3,191,754.20/x
  3. Step 3: Cross multiply
    10,379,616.60x = 15,570,912.90 × 3,191,754.20
  4. Step 4: Simplify right side
    10,379,616.60x = 49,698,526,646,409.19
  5. Step 5: Solve for x
    x = 49,698,526,646,409.19/10,379,616.60
  6. Step 6: Final answer
    x = 4,788,088.86

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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.