Home / 17,128,980.88-25,707,606.04-8,611,738

Finding the Fourth Proportional to 17,128,980.88, 25,707,606.04 and 8,611,738

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Solution

The fourth proportional to 17,128,980.88, 25,707,606.04 and 8,611,738 is: 12,924,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128,980.88 : 25,707,606.04 = 8,611,738 : x
  2. Step 2: Convert to fraction form
    17,128,980.88/25,707,606.04 = 8,611,738/x
  3. Step 3: Cross multiply
    17,128,980.88x = 25,707,606.04 × 8,611,738
  4. Step 4: Simplify right side
    17,128,980.88x = 221,387,167,823,697.50
  5. Step 5: Solve for x
    x = 221,387,167,823,697.50/17,128,980.88
  6. Step 6: Final answer
    x = 12,924,713.35

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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.