Home / 20,360,989.44-28,088,802.56-18,040,232.64

Finding the Fourth Proportional to 20,360,989.44, 28,088,802.56 and 18,040,232.64

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Solution

The fourth proportional to 20,360,989.44, 28,088,802.56 and 18,040,232.64 is: 24,887,225.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,360,989.44 : 28,088,802.56 = 18,040,232.64 : x
  2. Step 2: Convert to fraction form
    20,360,989.44/28,088,802.56 = 18,040,232.64/x
  3. Step 3: Cross multiply
    20,360,989.44x = 28,088,802.56 × 18,040,232.64
  4. Step 4: Simplify right side
    20,360,989.44x = 506,728,532,761,427.56
  5. Step 5: Solve for x
    x = 506,728,532,761,427.56/20,360,989.44
  6. Step 6: Final answer
    x = 24,887,225.36

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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.