Home / 8,668,638.77-11,962,809.42-5,230,215.50

Finding the Fourth Proportional to 8,668,638.77, 11,962,809.42 and 5,230,215.50

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Solution

The fourth proportional to 8,668,638.77, 11,962,809.42 and 5,230,215.50 is: 7,217,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668,638.77 : 11,962,809.42 = 5,230,215.50 : x
  2. Step 2: Convert to fraction form
    8,668,638.77/11,962,809.42 = 5,230,215.50/x
  3. Step 3: Cross multiply
    8,668,638.77x = 11,962,809.42 × 5,230,215.50
  4. Step 4: Simplify right side
    8,668,638.77x = 62,568,071,252,030.01
  5. Step 5: Solve for x
    x = 62,568,071,252,030.01/8,668,638.77
  6. Step 6: Final answer
    x = 7,217,750.43

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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.