Home / 12,004,409.41-18,009,478.74-3,917,400.09

Finding the Fourth Proportional to 12,004,409.41, 18,009,478.74 and 3,917,400.09

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Solution

The fourth proportional to 12,004,409.41, 18,009,478.74 and 3,917,400.09 is: 5,877,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,004,409.41 : 18,009,478.74 = 3,917,400.09 : x
  2. Step 2: Convert to fraction form
    12,004,409.41/18,009,478.74 = 3,917,400.09/x
  3. Step 3: Cross multiply
    12,004,409.41x = 18,009,478.74 × 3,917,400.09
  4. Step 4: Simplify right side
    12,004,409.41x = 70,550,333,527,294.69
  5. Step 5: Solve for x
    x = 70,550,333,527,294.69/12,004,409.41
  6. Step 6: Final answer
    x = 5,877,034.94

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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.