Home / 21,057,328.56-31,585,992.84-7,594,156.56

Finding the Fourth Proportional to 21,057,328.56, 31,585,992.84 and 7,594,156.56

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Solution

The fourth proportional to 21,057,328.56, 31,585,992.84 and 7,594,156.56 is: 11,391,234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057,328.56 : 31,585,992.84 = 7,594,156.56 : x
  2. Step 2: Convert to fraction form
    21,057,328.56/31,585,992.84 = 7,594,156.56/x
  3. Step 3: Cross multiply
    21,057,328.56x = 31,585,992.84 × 7,594,156.56
  4. Step 4: Simplify right side
    21,057,328.56x = 239,868,974,729,999.03
  5. Step 5: Solve for x
    x = 239,868,974,729,999.03/21,057,328.56
  6. Step 6: Final answer
    x = 11,391,234.84

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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.