Home / 21,802,586.40-32,774,738.40-18,684,799.20

Finding the Fourth Proportional to 21,802,586.40, 32,774,738.40 and 18,684,799.20

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Solution

The fourth proportional to 21,802,586.40, 32,774,738.40 and 18,684,799.20 is: 28,087,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,802,586.40 : 32,774,738.40 = 18,684,799.20 : x
  2. Step 2: Convert to fraction form
    21,802,586.40/32,774,738.40 = 18,684,799.20/x
  3. Step 3: Cross multiply
    21,802,586.40x = 32,774,738.40 × 18,684,799.20
  4. Step 4: Simplify right side
    21,802,586.40x = 612,389,405,836,529.25
  5. Step 5: Solve for x
    x = 612,389,405,836,529.25/21,802,586.40
  6. Step 6: Final answer
    x = 28,087,924.74

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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.