Home / 13,084,810.80-19,627,216.20-12,496,945.20

Finding the Fourth Proportional to 13,084,810.80, 19,627,216.20 and 12,496,945.20

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Solution

The fourth proportional to 13,084,810.80, 19,627,216.20 and 12,496,945.20 is: 18,745,417.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,084,810.80 : 19,627,216.20 = 12,496,945.20 : x
  2. Step 2: Convert to fraction form
    13,084,810.80/19,627,216.20 = 12,496,945.20/x
  3. Step 3: Cross multiply
    13,084,810.80x = 19,627,216.20 × 12,496,945.20
  4. Step 4: Simplify right side
    13,084,810.80x = 245,280,245,279,952.22
  5. Step 5: Solve for x
    x = 245,280,245,279,952.22/13,084,810.80
  6. Step 6: Final answer
    x = 18,745,417.80

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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.