Home / 21,054,920.40-31,582,380.60-5,098,568.40

Finding the Fourth Proportional to 21,054,920.40, 31,582,380.60 and 5,098,568.40

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Solution

The fourth proportional to 21,054,920.40, 31,582,380.60 and 5,098,568.40 is: 7,647,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,920.40 : 31,582,380.60 = 5,098,568.40 : x
  2. Step 2: Convert to fraction form
    21,054,920.40/31,582,380.60 = 5,098,568.40/x
  3. Step 3: Cross multiply
    21,054,920.40x = 31,582,380.60 × 5,098,568.40
  4. Step 4: Simplify right side
    21,054,920.40x = 161,024,927,723,933.06
  5. Step 5: Solve for x
    x = 161,024,927,723,933.06/21,054,920.40
  6. Step 6: Final answer
    x = 7,647,852.60

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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.