Home / 12,348,506.54-17,031,343.14-8,431,413.36

Finding the Fourth Proportional to 12,348,506.54, 17,031,343.14 and 8,431,413.36

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Solution

The fourth proportional to 12,348,506.54, 17,031,343.14 and 8,431,413.36 is: 11,628,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348,506.54 : 17,031,343.14 = 8,431,413.36 : x
  2. Step 2: Convert to fraction form
    12,348,506.54/17,031,343.14 = 8,431,413.36/x
  3. Step 3: Cross multiply
    12,348,506.54x = 17,031,343.14 × 8,431,413.36
  4. Step 4: Simplify right side
    12,348,506.54x = 143,598,294,089,340.34
  5. Step 5: Solve for x
    x = 143,598,294,089,340.34/12,348,506.54
  6. Step 6: Final answer
    x = 11,628,798.49

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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.