Home / 30,231,085.20-45,346,627.80-12,293,062.80

Finding the Fourth Proportional to 30,231,085.20, 45,346,627.80 and 12,293,062.80

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Solution

The fourth proportional to 30,231,085.20, 45,346,627.80 and 12,293,062.80 is: 18,439,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231,085.20 : 45,346,627.80 = 12,293,062.80 : x
  2. Step 2: Convert to fraction form
    30,231,085.20/45,346,627.80 = 12,293,062.80/x
  3. Step 3: Cross multiply
    30,231,085.20x = 45,346,627.80 × 12,293,062.80
  4. Step 4: Simplify right side
    30,231,085.20x = 557,448,943,313,625.81
  5. Step 5: Solve for x
    x = 557,448,943,313,625.81/30,231,085.20
  6. Step 6: Final answer
    x = 18,439,594.20

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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.