Home / 21,384,378.40-32,029,328.40-8,598,301.60

Finding the Fourth Proportional to 21,384,378.40, 32,029,328.40 and 8,598,301.60

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Solution

The fourth proportional to 21,384,378.40, 32,029,328.40 and 8,598,301.60 is: 12,878,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,378.40 : 32,029,328.40 = 8,598,301.60 : x
  2. Step 2: Convert to fraction form
    21,384,378.40/32,029,328.40 = 8,598,301.60/x
  3. Step 3: Cross multiply
    21,384,378.40x = 32,029,328.40 × 8,598,301.60
  4. Step 4: Simplify right side
    21,384,378.40x = 275,397,825,628,645.41
  5. Step 5: Solve for x
    x = 275,397,825,628,645.41/21,384,378.40
  6. Step 6: Final answer
    x = 12,878,458.31

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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.