Home / 13,120,674.95-18,110,132.80-7,615,823.30

Finding the Fourth Proportional to 13,120,674.95, 18,110,132.80 and 7,615,823.30

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Solution

The fourth proportional to 13,120,674.95, 18,110,132.80 and 7,615,823.30 is: 10,511,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120,674.95 : 18,110,132.80 = 7,615,823.30 : x
  2. Step 2: Convert to fraction form
    13,120,674.95/18,110,132.80 = 7,615,823.30/x
  3. Step 3: Cross multiply
    13,120,674.95x = 18,110,132.80 × 7,615,823.30
  4. Step 4: Simplify right side
    13,120,674.95x = 137,923,571,234,744.02
  5. Step 5: Solve for x
    x = 137,923,571,234,744.02/13,120,674.95
  6. Step 6: Final answer
    x = 10,511,926.54

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