Home / 30,751,501.74-42,447,759.68-17,703,960.86

Finding the Fourth Proportional to 30,751,501.74, 42,447,759.68 and 17,703,960.86

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Solution

The fourth proportional to 30,751,501.74, 42,447,759.68 and 17,703,960.86 is: 24,437,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751,501.74 : 42,447,759.68 = 17,703,960.86 : x
  2. Step 2: Convert to fraction form
    30,751,501.74/42,447,759.68 = 17,703,960.86/x
  3. Step 3: Cross multiply
    30,751,501.74x = 42,447,759.68 × 17,703,960.86
  4. Step 4: Simplify right side
    30,751,501.74x = 751,493,475,969,406.12
  5. Step 5: Solve for x
    x = 751,493,475,969,406.12/30,751,501.74
  6. Step 6: Final answer
    x = 24,437,618.76

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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.