Home / 13,767,378.21-18,999,019.77-7,573,059.54

Finding the Fourth Proportional to 13,767,378.21, 18,999,019.77 and 7,573,059.54

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Solution

The fourth proportional to 13,767,378.21, 18,999,019.77 and 7,573,059.54 is: 10,450,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767,378.21 : 18,999,019.77 = 7,573,059.54 : x
  2. Step 2: Convert to fraction form
    13,767,378.21/18,999,019.77 = 7,573,059.54/x
  3. Step 3: Cross multiply
    13,767,378.21x = 18,999,019.77 × 7,573,059.54
  4. Step 4: Simplify right side
    13,767,378.21x = 143,880,707,919,847.09
  5. Step 5: Solve for x
    x = 143,880,707,919,847.09/13,767,378.21
  6. Step 6: Final answer
    x = 10,450,842.98

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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.