Home / 12,543,016.59-17,311,725.81-8,184,536.19

Finding the Fourth Proportional to 12,543,016.59, 17,311,725.81 and 8,184,536.19

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Solution

The fourth proportional to 12,543,016.59, 17,311,725.81 and 8,184,536.19 is: 11,296,201.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,016.59 : 17,311,725.81 = 8,184,536.19 : x
  2. Step 2: Convert to fraction form
    12,543,016.59/17,311,725.81 = 8,184,536.19/x
  3. Step 3: Cross multiply
    12,543,016.59x = 17,311,725.81 × 8,184,536.19
  4. Step 4: Simplify right side
    12,543,016.59x = 141,688,446,403,302.06
  5. Step 5: Solve for x
    x = 141,688,446,403,302.06/12,543,016.59
  6. Step 6: Final answer
    x = 11,296,201.79

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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.