Home / 8,587,338.09-12,881,632.47-3,195,986.69

Finding the Fourth Proportional to 8,587,338.09, 12,881,632.47 and 3,195,986.69

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Solution

The fourth proportional to 8,587,338.09, 12,881,632.47 and 3,195,986.69 is: 4,794,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,587,338.09 : 12,881,632.47 = 3,195,986.69 : x
  2. Step 2: Convert to fraction form
    8,587,338.09/12,881,632.47 = 3,195,986.69/x
  3. Step 3: Cross multiply
    8,587,338.09x = 12,881,632.47 × 3,195,986.69
  4. Step 4: Simplify right side
    8,587,338.09x = 41,169,525,939,810.95
  5. Step 5: Solve for x
    x = 41,169,525,939,810.95/8,587,338.09
  6. Step 6: Final answer
    x = 4,794,212.77

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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.