Home / 30,481,988.99-42,065,128.58-17,250,925.73

Finding the Fourth Proportional to 30,481,988.99, 42,065,128.58 and 17,250,925.73

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Solution

The fourth proportional to 30,481,988.99, 42,065,128.58 and 17,250,925.73 is: 23,806,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481,988.99 : 42,065,128.58 = 17,250,925.73 : x
  2. Step 2: Convert to fraction form
    30,481,988.99/42,065,128.58 = 17,250,925.73/x
  3. Step 3: Cross multiply
    30,481,988.99x = 42,065,128.58 × 17,250,925.73
  4. Step 4: Simplify right side
    30,481,988.99x = 725,662,408,659,900.25
  5. Step 5: Solve for x
    x = 725,662,408,659,900.25/30,481,988.99
  6. Step 6: Final answer
    x = 23,806,268.32

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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.