Home / 13,240,485.93-18,273,401.42-7,735,236.94

Finding the Fourth Proportional to 13,240,485.93, 18,273,401.42 and 7,735,236.94

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Solution

The fourth proportional to 13,240,485.93, 18,273,401.42 and 7,735,236.94 is: 10,675,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240,485.93 : 18,273,401.42 = 7,735,236.94 : x
  2. Step 2: Convert to fraction form
    13,240,485.93/18,273,401.42 = 7,735,236.94/x
  3. Step 3: Cross multiply
    13,240,485.93x = 18,273,401.42 × 7,735,236.94
  4. Step 4: Simplify right side
    13,240,485.93x = 141,349,089,657,087.03
  5. Step 5: Solve for x
    x = 141,349,089,657,087.03/13,240,485.93
  6. Step 6: Final answer
    x = 10,675,521.31

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1.5x scale

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.