Home / 30,175,735.89-41,643,407.68-21,370,939.50

Finding the Fourth Proportional to 30,175,735.89, 41,643,407.68 and 21,370,939.50

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Solution

The fourth proportional to 30,175,735.89, 41,643,407.68 and 21,370,939.50 is: 29,492,528.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175,735.89 : 41,643,407.68 = 21,370,939.50 : x
  2. Step 2: Convert to fraction form
    30,175,735.89/41,643,407.68 = 21,370,939.50/x
  3. Step 3: Cross multiply
    30,175,735.89x = 41,643,407.68 × 21,370,939.50
  4. Step 4: Simplify right side
    30,175,735.89x = 889,958,746,205,850.88
  5. Step 5: Solve for x
    x = 889,958,746,205,850.88/30,175,735.89
  6. Step 6: Final answer
    x = 29,492,528.35

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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.