Home / 18,467,030.88-25,471,283.04-12,961,633.68

Finding the Fourth Proportional to 18,467,030.88, 25,471,283.04 and 12,961,633.68

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Solution

The fourth proportional to 18,467,030.88, 25,471,283.04 and 12,961,633.68 is: 17,877,775.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467,030.88 : 25,471,283.04 = 12,961,633.68 : x
  2. Step 2: Convert to fraction form
    18,467,030.88/25,471,283.04 = 12,961,633.68/x
  3. Step 3: Cross multiply
    18,467,030.88x = 25,471,283.04 × 12,961,633.68
  4. Step 4: Simplify right side
    18,467,030.88x = 330,149,440,124,076.75
  5. Step 5: Solve for x
    x = 330,149,440,124,076.75/18,467,030.88
  6. Step 6: Final answer
    x = 17,877,775.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.