Home / 40,728,998.40-61,081,539.54-11,968,296

Finding the Fourth Proportional to 40,728,998.40, 61,081,539.54 and 11,968,296

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Solution

The fourth proportional to 40,728,998.40, 61,081,539.54 and 11,968,296 is: 17,948,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728,998.40 : 61,081,539.54 = 11,968,296 : x
  2. Step 2: Convert to fraction form
    40,728,998.40/61,081,539.54 = 11,968,296/x
  3. Step 3: Cross multiply
    40,728,998.40x = 61,081,539.54 × 11,968,296
  4. Step 4: Simplify right side
    40,728,998.40x = 731,041,945,350,423.88
  5. Step 5: Solve for x
    x = 731,041,945,350,423.88/40,728,998.40
  6. Step 6: Final answer
    x = 17,948,930.10

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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.