Home / 13,122,661.80-19,683,992.70-12,272,356.20

Finding the Fourth Proportional to 13,122,661.80, 19,683,992.70 and 12,272,356.20

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Solution

The fourth proportional to 13,122,661.80, 19,683,992.70 and 12,272,356.20 is: 18,408,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,661.80 : 19,683,992.70 = 12,272,356.20 : x
  2. Step 2: Convert to fraction form
    13,122,661.80/19,683,992.70 = 12,272,356.20/x
  3. Step 3: Cross multiply
    13,122,661.80x = 19,683,992.70 × 12,272,356.20
  4. Step 4: Simplify right side
    13,122,661.80x = 241,568,969,852,599.72
  5. Step 5: Solve for x
    x = 241,568,969,852,599.72/13,122,661.80
  6. Step 6: Final answer
    x = 18,408,534.30

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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.