Home / 6,772,513.80-9,343,408.64-3,870,347.76

Finding the Fourth Proportional to 6,772,513.80, 9,343,408.64 and 3,870,347.76

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Solution

The fourth proportional to 6,772,513.80, 9,343,408.64 and 3,870,347.76 is: 5,339,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,772,513.80 : 9,343,408.64 = 3,870,347.76 : x
  2. Step 2: Convert to fraction form
    6,772,513.80/9,343,408.64 = 3,870,347.76/x
  3. Step 3: Cross multiply
    6,772,513.80x = 9,343,408.64 × 3,870,347.76
  4. Step 4: Simplify right side
    6,772,513.80x = 36,162,240,700,588.65
  5. Step 5: Solve for x
    x = 36,162,240,700,588.65/6,772,513.80
  6. Step 6: Final answer
    x = 5,339,559.54

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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.