Home / 16,684,319.55-25,010,696.03-12,579,265.88

Finding the Fourth Proportional to 16,684,319.55, 25,010,696.03 and 12,579,265.88

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Solution

The fourth proportional to 16,684,319.55, 25,010,696.03 and 12,579,265.88 is: 18,856,998.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,684,319.55 : 25,010,696.03 = 12,579,265.88 : x
  2. Step 2: Convert to fraction form
    16,684,319.55/25,010,696.03 = 12,579,265.88/x
  3. Step 3: Cross multiply
    16,684,319.55x = 25,010,696.03 × 12,579,265.88
  4. Step 4: Simplify right side
    16,684,319.55x = 314,616,195,111,070.75
  5. Step 5: Solve for x
    x = 314,616,195,111,070.75/16,684,319.55
  6. Step 6: Final answer
    x = 18,856,998.88

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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.