Home / 11,902,985.88-16,396,965.18-8,630,184.12

Finding the Fourth Proportional to 11,902,985.88, 16,396,965.18 and 8,630,184.12

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Solution

The fourth proportional to 11,902,985.88, 16,396,965.18 and 8,630,184.12 is: 11,888,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902,985.88 : 16,396,965.18 = 8,630,184.12 : x
  2. Step 2: Convert to fraction form
    11,902,985.88/16,396,965.18 = 8,630,184.12/x
  3. Step 3: Cross multiply
    11,902,985.88x = 16,396,965.18 × 8,630,184.12
  4. Step 4: Simplify right side
    11,902,985.88x = 141,508,828,512,628.94
  5. Step 5: Solve for x
    x = 141,508,828,512,628.94/11,902,985.88
  6. Step 6: Final answer
    x = 11,888,515.20

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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.