Home / 30,893,074.40-46,356,200.40-12,943,992.80

Finding the Fourth Proportional to 30,893,074.40, 46,356,200.40 and 12,943,992.80

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Solution

The fourth proportional to 30,893,074.40, 46,356,200.40 and 12,943,992.80 is: 19,422,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893,074.40 : 46,356,200.40 = 12,943,992.80 : x
  2. Step 2: Convert to fraction form
    30,893,074.40/46,356,200.40 = 12,943,992.80/x
  3. Step 3: Cross multiply
    30,893,074.40x = 46,356,200.40 × 12,943,992.80
  4. Step 4: Simplify right side
    30,893,074.40x = 600,034,324,212,957.12
  5. Step 5: Solve for x
    x = 600,034,324,212,957.12/30,893,074.40
  6. Step 6: Final answer
    x = 19,422,939.80

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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.