Home / 12,190,814.66-16,824,080.05-6,758,306.66

Finding the Fourth Proportional to 12,190,814.66, 16,824,080.05 and 6,758,306.66

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Solution

The fourth proportional to 12,190,814.66, 16,824,080.05 and 6,758,306.66 is: 9,326,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,814.66 : 16,824,080.05 = 6,758,306.66 : x
  2. Step 2: Convert to fraction form
    12,190,814.66/16,824,080.05 = 6,758,306.66/x
  3. Step 3: Cross multiply
    12,190,814.66x = 16,824,080.05 × 6,758,306.66
  4. Step 4: Simplify right side
    12,190,814.66x = 113,702,292,250,288.14
  5. Step 5: Solve for x
    x = 113,702,292,250,288.14/12,190,814.66
  6. Step 6: Final answer
    x = 9,326,882.20

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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.