Home / 13,627,618.81-18,809,024.31-7,829,597.50

Finding the Fourth Proportional to 13,627,618.81, 18,809,024.31 and 7,829,597.50

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Solution

The fourth proportional to 13,627,618.81, 18,809,024.31 and 7,829,597.50 is: 10,806,516.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627,618.81 : 18,809,024.31 = 7,829,597.50 : x
  2. Step 2: Convert to fraction form
    13,627,618.81/18,809,024.31 = 7,829,597.50/x
  3. Step 3: Cross multiply
    13,627,618.81x = 18,809,024.31 × 7,829,597.50
  4. Step 4: Simplify right side
    13,627,618.81x = 147,267,089,667,992.66
  5. Step 5: Solve for x
    x = 147,267,089,667,992.66/13,627,618.81
  6. Step 6: Final answer
    x = 10,806,516.66

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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.