Home / 13,611,094.56-18,783,735.84-7,810,937.28

Finding the Fourth Proportional to 13,611,094.56, 18,783,735.84 and 7,810,937.28

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Solution

The fourth proportional to 13,611,094.56, 18,783,735.84 and 7,810,937.28 is: 10,779,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,611,094.56 : 18,783,735.84 = 7,810,937.28 : x
  2. Step 2: Convert to fraction form
    13,611,094.56/18,783,735.84 = 7,810,937.28/x
  3. Step 3: Cross multiply
    13,611,094.56x = 18,783,735.84 × 7,810,937.28
  4. Step 4: Simplify right side
    13,611,094.56x = 146,718,582,530,328.12
  5. Step 5: Solve for x
    x = 146,718,582,530,328.12/13,611,094.56
  6. Step 6: Final answer
    x = 10,779,337.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.