Home / 28,401,828.20-42,577,859.10-17,030,205.80

Finding the Fourth Proportional to 28,401,828.20, 42,577,859.10 and 17,030,205.80

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Solution

The fourth proportional to 28,401,828.20, 42,577,859.10 and 17,030,205.80 is: 25,530,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401,828.20 : 42,577,859.10 = 17,030,205.80 : x
  2. Step 2: Convert to fraction form
    28,401,828.20/42,577,859.10 = 17,030,205.80/x
  3. Step 3: Cross multiply
    28,401,828.20x = 42,577,859.10 × 17,030,205.80
  4. Step 4: Simplify right side
    28,401,828.20x = 725,109,702,996,402.88
  5. Step 5: Solve for x
    x = 725,109,702,996,402.88/28,401,828.20
  6. Step 6: Final answer
    x = 25,530,388.32

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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.