Home / 21,762,660.76-30,032,470.84-11,972,894.84

Finding the Fourth Proportional to 21,762,660.76, 30,032,470.84 and 11,972,894.84

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Solution

The fourth proportional to 21,762,660.76, 30,032,470.84 and 11,972,894.84 is: 16,522,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,762,660.76 : 30,032,470.84 = 11,972,894.84 : x
  2. Step 2: Convert to fraction form
    21,762,660.76/30,032,470.84 = 11,972,894.84/x
  3. Step 3: Cross multiply
    21,762,660.76x = 30,032,470.84 × 11,972,894.84
  4. Step 4: Simplify right side
    21,762,660.76x = 359,575,615,152,686.44
  5. Step 5: Solve for x
    x = 359,575,615,152,686.44/21,762,660.76
  6. Step 6: Final answer
    x = 16,522,594.32

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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.