Home / 11,778,828.81-17,668,636.88-3,258,451.77

Finding the Fourth Proportional to 11,778,828.81, 17,668,636.88 and 3,258,451.77

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Solution

The fourth proportional to 11,778,828.81, 17,668,636.88 and 3,258,451.77 is: 4,887,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778,828.81 : 17,668,636.88 = 3,258,451.77 : x
  2. Step 2: Convert to fraction form
    11,778,828.81/17,668,636.88 = 3,258,451.77/x
  3. Step 3: Cross multiply
    11,778,828.81x = 17,668,636.88 × 3,258,451.77
  4. Step 4: Simplify right side
    11,778,828.81x = 57,572,401,098,831.02
  5. Step 5: Solve for x
    x = 57,572,401,098,831.02/11,778,828.81
  6. Step 6: Final answer
    x = 4,887,786.56

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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.