Home / 30,970,376.92-42,740,217.75-17,032,809.59

Finding the Fourth Proportional to 30,970,376.92, 42,740,217.75 and 17,032,809.59

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Solution

The fourth proportional to 30,970,376.92, 42,740,217.75 and 17,032,809.59 is: 23,505,880.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970,376.92 : 42,740,217.75 = 17,032,809.59 : x
  2. Step 2: Convert to fraction form
    30,970,376.92/42,740,217.75 = 17,032,809.59/x
  3. Step 3: Cross multiply
    30,970,376.92x = 42,740,217.75 × 17,032,809.59
  4. Step 4: Simplify right side
    30,970,376.92x = 727,985,990,770,888.25
  5. Step 5: Solve for x
    x = 727,985,990,770,888.25/30,970,376.92
  6. Step 6: Final answer
    x = 23,505,880.88

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1.5x scale

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.