Home / 11,856,139.56-16,361,259.12-6,699,390.12

Finding the Fourth Proportional to 11,856,139.56, 16,361,259.12 and 6,699,390.12

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Solution

The fourth proportional to 11,856,139.56, 16,361,259.12 and 6,699,390.12 is: 9,245,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856,139.56 : 16,361,259.12 = 6,699,390.12 : x
  2. Step 2: Convert to fraction form
    11,856,139.56/16,361,259.12 = 6,699,390.12/x
  3. Step 3: Cross multiply
    11,856,139.56x = 16,361,259.12 × 6,699,390.12
  4. Step 4: Simplify right side
    11,856,139.56x = 109,610,457,699,287.89
  5. Step 5: Solve for x
    x = 109,610,457,699,287.89/11,856,139.56
  6. Step 6: Final answer
    x = 9,245,037.74

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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.