Home / 12,187,820.52-16,819,194.72-6,755,312.52

Finding the Fourth Proportional to 12,187,820.52, 16,819,194.72 and 6,755,312.52

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Solution

The fourth proportional to 12,187,820.52, 16,819,194.72 and 6,755,312.52 is: 9,322,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,820.52 : 16,819,194.72 = 6,755,312.52 : x
  2. Step 2: Convert to fraction form
    12,187,820.52/16,819,194.72 = 6,755,312.52/x
  3. Step 3: Cross multiply
    12,187,820.52x = 16,819,194.72 × 6,755,312.52
  4. Step 4: Simplify right side
    12,187,820.52x = 113,618,916,668,333.88
  5. Step 5: Solve for x
    x = 113,618,916,668,333.88/12,187,820.52
  6. Step 6: Final answer
    x = 9,322,332.61

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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.