Home / 8,685,709.21-13,020,091.46-4,135,535.42

Finding the Fourth Proportional to 8,685,709.21, 13,020,091.46 and 4,135,535.42

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Solution

The fourth proportional to 8,685,709.21, 13,020,091.46 and 4,135,535.42 is: 6,199,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685,709.21 : 13,020,091.46 = 4,135,535.42 : x
  2. Step 2: Convert to fraction form
    8,685,709.21/13,020,091.46 = 4,135,535.42/x
  3. Step 3: Cross multiply
    8,685,709.21x = 13,020,091.46 × 4,135,535.42
  4. Step 4: Simplify right side
    8,685,709.21x = 53,845,049,447,358.58
  5. Step 5: Solve for x
    x = 53,845,049,447,358.58/8,685,709.21
  6. Step 6: Final answer
    x = 6,199,269.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.