Home / 21,096,821.48-31,634,763.58-6,718,015.88

Finding the Fourth Proportional to 21,096,821.48, 31,634,763.58 and 6,718,015.88

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Solution

The fourth proportional to 21,096,821.48, 31,634,763.58 and 6,718,015.88 is: 10,073,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096,821.48 : 31,634,763.58 = 6,718,015.88 : x
  2. Step 2: Convert to fraction form
    21,096,821.48/31,634,763.58 = 6,718,015.88/x
  3. Step 3: Cross multiply
    21,096,821.48x = 31,634,763.58 × 6,718,015.88
  4. Step 4: Simplify right side
    21,096,821.48x = 212,522,844,090,485.62
  5. Step 5: Solve for x
    x = 212,522,844,090,485.62/21,096,821.48
  6. Step 6: Final answer
    x = 10,073,690.21

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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.