Home / 31,675,507-43,712,199.72-17,188,819

Finding the Fourth Proportional to 31,675,507, 43,712,199.72 and 17,188,819

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Solution

The fourth proportional to 31,675,507, 43,712,199.72 and 17,188,819 is: 23,720,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,675,507 : 43,712,199.72 = 17,188,819 : x
  2. Step 2: Convert to fraction form
    31,675,507/43,712,199.72 = 17,188,819/x
  3. Step 3: Cross multiply
    31,675,507x = 43,712,199.72 × 17,188,819
  4. Step 4: Simplify right side
    31,675,507x = 751,361,089,078,930.62
  5. Step 5: Solve for x
    x = 751,361,089,078,930.62/31,675,507
  6. Step 6: Final answer
    x = 23,720,570.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.