Home / 30,823,973.68-46,171,620.16-18,488,817.52

Finding the Fourth Proportional to 30,823,973.68, 46,171,620.16 and 18,488,817.52

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Solution

The fourth proportional to 30,823,973.68, 46,171,620.16 and 18,488,817.52 is: 27,694,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,823,973.68 : 46,171,620.16 = 18,488,817.52 : x
  2. Step 2: Convert to fraction form
    30,823,973.68/46,171,620.16 = 18,488,817.52/x
  3. Step 3: Cross multiply
    30,823,973.68x = 46,171,620.16 × 18,488,817.52
  4. Step 4: Simplify right side
    30,823,973.68x = 853,658,659,740,993.12
  5. Step 5: Solve for x
    x = 853,658,659,740,993.12/30,823,973.68
  6. Step 6: Final answer
    x = 27,694,633.68

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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.