Home / 18,526,487.52-25,567,971.12-11,656,858.08

Finding the Fourth Proportional to 18,526,487.52, 25,567,971.12 and 11,656,858.08

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Solution

The fourth proportional to 18,526,487.52, 25,567,971.12 and 11,656,858.08 is: 16,087,356.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526,487.52 : 25,567,971.12 = 11,656,858.08 : x
  2. Step 2: Convert to fraction form
    18,526,487.52/25,567,971.12 = 11,656,858.08/x
  3. Step 3: Cross multiply
    18,526,487.52x = 25,567,971.12 × 11,656,858.08
  4. Step 4: Simplify right side
    18,526,487.52x = 298,042,210,739,378.69
  5. Step 5: Solve for x
    x = 298,042,210,739,378.69/18,526,487.52
  6. Step 6: Final answer
    x = 16,087,356.57

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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.