Home / 13,548,815.96-18,697,131.34-7,353,729.72

Finding the Fourth Proportional to 13,548,815.96, 18,697,131.34 and 7,353,729.72

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Solution

The fourth proportional to 13,548,815.96, 18,697,131.34 and 7,353,729.72 is: 10,148,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,548,815.96 : 18,697,131.34 = 7,353,729.72 : x
  2. Step 2: Convert to fraction form
    13,548,815.96/18,697,131.34 = 7,353,729.72/x
  3. Step 3: Cross multiply
    13,548,815.96x = 18,697,131.34 × 7,353,729.72
  4. Step 4: Simplify right side
    13,548,815.96x = 137,493,650,413,701.42
  5. Step 5: Solve for x
    x = 137,493,650,413,701.42/13,548,815.96
  6. Step 6: Final answer
    x = 10,148,019.64

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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.