Home / 30,639,124.80-45,958,687.20-17,874,043.20

Finding the Fourth Proportional to 30,639,124.80, 45,958,687.20 and 17,874,043.20

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Solution

The fourth proportional to 30,639,124.80, 45,958,687.20 and 17,874,043.20 is: 26,811,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639,124.80 : 45,958,687.20 = 17,874,043.20 : x
  2. Step 2: Convert to fraction form
    30,639,124.80/45,958,687.20 = 17,874,043.20/x
  3. Step 3: Cross multiply
    30,639,124.80x = 45,958,687.20 × 17,874,043.20
  4. Step 4: Simplify right side
    30,639,124.80x = 821,467,560,428,087
  5. Step 5: Solve for x
    x = 821,467,560,428,087/30,639,124.80
  6. Step 6: Final answer
    x = 26,811,064.80

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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.