Home / 30,721,971.80-46,082,957.70-25,795,098.20

Finding the Fourth Proportional to 30,721,971.80, 46,082,957.70 and 25,795,098.20

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Solution

The fourth proportional to 30,721,971.80, 46,082,957.70 and 25,795,098.20 is: 38,692,647.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,971.80 : 46,082,957.70 = 25,795,098.20 : x
  2. Step 2: Convert to fraction form
    30,721,971.80/46,082,957.70 = 25,795,098.20/x
  3. Step 3: Cross multiply
    30,721,971.80x = 46,082,957.70 × 25,795,098.20
  4. Step 4: Simplify right side
    30,721,971.80x = 1,188,714,419,217,946.25
  5. Step 5: Solve for x
    x = 1,188,714,419,217,946.25/30,721,971.80
  6. Step 6: Final answer
    x = 38,692,647.30

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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.