Home / 13,538,485.19-18,683,000.73-7,343,516.50

Finding the Fourth Proportional to 13,538,485.19, 18,683,000.73 and 7,343,516.50

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Solution

The fourth proportional to 13,538,485.19, 18,683,000.73 and 7,343,516.50 is: 10,133,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,485.19 : 18,683,000.73 = 7,343,516.50 : x
  2. Step 2: Convert to fraction form
    13,538,485.19/18,683,000.73 = 7,343,516.50/x
  3. Step 3: Cross multiply
    13,538,485.19x = 18,683,000.73 × 7,343,516.50
  4. Step 4: Simplify right side
    13,538,485.19x = 137,198,924,083,559.53
  5. Step 5: Solve for x
    x = 137,198,924,083,559.53/13,538,485.19
  6. Step 6: Final answer
    x = 10,133,993.73

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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.