Home / 30,835,416.28-46,255,978.45-10,085,972.20

Finding the Fourth Proportional to 30,835,416.28, 46,255,978.45 and 10,085,972.20

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Solution

The fourth proportional to 30,835,416.28, 46,255,978.45 and 10,085,972.20 is: 15,129,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,835,416.28 : 46,255,978.45 = 10,085,972.20 : x
  2. Step 2: Convert to fraction form
    30,835,416.28/46,255,978.45 = 10,085,972.20/x
  3. Step 3: Cross multiply
    30,835,416.28x = 46,255,978.45 × 10,085,972.20
  4. Step 4: Simplify right side
    30,835,416.28x = 466,536,512,743,383.62
  5. Step 5: Solve for x
    x = 466,536,512,743,383.62/30,835,416.28
  6. Step 6: Final answer
    x = 15,129,891.83

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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.