Home / 21,573,176.60-29,770,786.95-11,783,619.20

Finding the Fourth Proportional to 21,573,176.60, 29,770,786.95 and 11,783,619.20

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Solution

The fourth proportional to 21,573,176.60, 29,770,786.95 and 11,783,619.20 is: 16,261,287.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573,176.60 : 29,770,786.95 = 11,783,619.20 : x
  2. Step 2: Convert to fraction form
    21,573,176.60/29,770,786.95 = 11,783,619.20/x
  3. Step 3: Cross multiply
    21,573,176.60x = 29,770,786.95 × 11,783,619.20
  4. Step 4: Simplify right side
    21,573,176.60x = 350,807,616,554,275.50
  5. Step 5: Solve for x
    x = 350,807,616,554,275.50/21,573,176.60
  6. Step 6: Final answer
    x = 16,261,287.02

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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.