Home / 30,151,037.68-41,606,738.56-16,918,980.54

Finding the Fourth Proportional to 30,151,037.68, 41,606,738.56 and 16,918,980.54

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Solution

The fourth proportional to 30,151,037.68, 41,606,738.56 and 16,918,980.54 is: 23,347,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151,037.68 : 41,606,738.56 = 16,918,980.54 : x
  2. Step 2: Convert to fraction form
    30,151,037.68/41,606,738.56 = 16,918,980.54/x
  3. Step 3: Cross multiply
    30,151,037.68x = 41,606,738.56 × 16,918,980.54
  4. Step 4: Simplify right side
    30,151,037.68x = 703,943,600,029,507.62
  5. Step 5: Solve for x
    x = 703,943,600,029,507.62/30,151,037.68
  6. Step 6: Final answer
    x = 23,347,242.89

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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.