Home / 25,270,310.70-37,852,321.95-21,018,782.70

Finding the Fourth Proportional to 25,270,310.70, 37,852,321.95 and 21,018,782.70

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Solution

The fourth proportional to 25,270,310.70, 37,852,321.95 and 21,018,782.70 is: 31,483,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,270,310.70 : 37,852,321.95 = 21,018,782.70 : x
  2. Step 2: Convert to fraction form
    25,270,310.70/37,852,321.95 = 21,018,782.70/x
  3. Step 3: Cross multiply
    25,270,310.70x = 37,852,321.95 × 21,018,782.70
  4. Step 4: Simplify right side
    25,270,310.70x = 795,609,729,757,490.25
  5. Step 5: Solve for x
    x = 795,609,729,757,490.25/25,270,310.70
  6. Step 6: Final answer
    x = 31,483,971.02

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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.