Home / 8,230,824.43-12,343,619.85-7,693,486.45

Finding the Fourth Proportional to 8,230,824.43, 12,343,619.85 and 7,693,486.45

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Solution

The fourth proportional to 8,230,824.43, 12,343,619.85 and 7,693,486.45 is: 11,537,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230,824.43 : 12,343,619.85 = 7,693,486.45 : x
  2. Step 2: Convert to fraction form
    8,230,824.43/12,343,619.85 = 7,693,486.45/x
  3. Step 3: Cross multiply
    8,230,824.43x = 12,343,619.85 × 7,693,486.45
  4. Step 4: Simplify right side
    8,230,824.43x = 94,965,472,059,926.03
  5. Step 5: Solve for x
    x = 94,965,472,059,926.03/8,230,824.43
  6. Step 6: Final answer
    x = 11,537,783.71

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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.