Home / 18,841,878.03-26,007,430.31-11,003,504.64

Finding the Fourth Proportional to 18,841,878.03, 26,007,430.31 and 11,003,504.64

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Solution

The fourth proportional to 18,841,878.03, 26,007,430.31 and 11,003,504.64 is: 15,188,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841,878.03 : 26,007,430.31 = 11,003,504.64 : x
  2. Step 2: Convert to fraction form
    18,841,878.03/26,007,430.31 = 11,003,504.64/x
  3. Step 3: Cross multiply
    18,841,878.03x = 26,007,430.31 × 11,003,504.64
  4. Step 4: Simplify right side
    18,841,878.03x = 286,172,880,010,232.25
  5. Step 5: Solve for x
    x = 286,172,880,010,232.25/18,841,878.03
  6. Step 6: Final answer
    x = 15,188,129.31

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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.