Home / 12,820,208.40-19,230,312.60-11,560,496.40

Finding the Fourth Proportional to 12,820,208.40, 19,230,312.60 and 11,560,496.40

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Solution

The fourth proportional to 12,820,208.40, 19,230,312.60 and 11,560,496.40 is: 17,340,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,208.40 : 19,230,312.60 = 11,560,496.40 : x
  2. Step 2: Convert to fraction form
    12,820,208.40/19,230,312.60 = 11,560,496.40/x
  3. Step 3: Cross multiply
    12,820,208.40x = 19,230,312.60 × 11,560,496.40
  4. Step 4: Simplify right side
    12,820,208.40x = 222,311,959,583,174.66
  5. Step 5: Solve for x
    x = 222,311,959,583,174.66/12,820,208.40
  6. Step 6: Final answer
    x = 17,340,744.60

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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.