Home / 21,825,986.40-32,738,979.60-17,999,611.20

Finding the Fourth Proportional to 21,825,986.40, 32,738,979.60 and 17,999,611.20

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Solution

The fourth proportional to 21,825,986.40, 32,738,979.60 and 17,999,611.20 is: 26,999,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,825,986.40 : 32,738,979.60 = 17,999,611.20 : x
  2. Step 2: Convert to fraction form
    21,825,986.40/32,738,979.60 = 17,999,611.20/x
  3. Step 3: Cross multiply
    21,825,986.40x = 32,738,979.60 × 17,999,611.20
  4. Step 4: Simplify right side
    21,825,986.40x = 589,288,903,884,731.50
  5. Step 5: Solve for x
    x = 589,288,903,884,731.50/21,825,986.40
  6. Step 6: Final answer
    x = 26,999,416.80

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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.