Home / 12,097,208.40-18,124,817.40-11,341,381.20

Finding the Fourth Proportional to 12,097,208.40, 18,124,817.40 and 11,341,381.20

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Solution

The fourth proportional to 12,097,208.40, 18,124,817.40 and 11,341,381.20 is: 16,992,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,208.40 : 18,124,817.40 = 11,341,381.20 : x
  2. Step 2: Convert to fraction form
    12,097,208.40/18,124,817.40 = 11,341,381.20/x
  3. Step 3: Cross multiply
    12,097,208.40x = 18,124,817.40 × 11,341,381.20
  4. Step 4: Simplify right side
    12,097,208.40x = 205,560,463,313,792.84
  5. Step 5: Solve for x
    x = 205,560,463,313,792.84/12,097,208.40
  6. Step 6: Final answer
    x = 16,992,388.37

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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.