Home / 12,687,804.57-17,508,701.23-6,886,462.67

Finding the Fourth Proportional to 12,687,804.57, 17,508,701.23 and 6,886,462.67

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Solution

The fourth proportional to 12,687,804.57, 17,508,701.23 and 6,886,462.67 is: 9,503,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,804.57 : 17,508,701.23 = 6,886,462.67 : x
  2. Step 2: Convert to fraction form
    12,687,804.57/17,508,701.23 = 6,886,462.67/x
  3. Step 3: Cross multiply
    12,687,804.57x = 17,508,701.23 × 6,886,462.67
  4. Step 4: Simplify right side
    12,687,804.57x = 120,573,017,420,578.08
  5. Step 5: Solve for x
    x = 120,573,017,420,578.08/12,687,804.57
  6. Step 6: Final answer
    x = 9,503,063.89

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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.