Home / 12,890,525.59-17,788,570.33-7,089,309.44

Finding the Fourth Proportional to 12,890,525.59, 17,788,570.33 and 7,089,309.44

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Solution

The fourth proportional to 12,890,525.59, 17,788,570.33 and 7,089,309.44 is: 9,783,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,890,525.59 : 17,788,570.33 = 7,089,309.44 : x
  2. Step 2: Convert to fraction form
    12,890,525.59/17,788,570.33 = 7,089,309.44/x
  3. Step 3: Cross multiply
    12,890,525.59x = 17,788,570.33 × 7,089,309.44
  4. Step 4: Simplify right side
    12,890,525.59x = 126,108,679,537,906.38
  5. Step 5: Solve for x
    x = 126,108,679,537,906.38/12,890,525.59
  6. Step 6: Final answer
    x = 9,783,051.80

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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.