Home / 13,057,663.25-18,018,144.41-7,550,204.64

Finding the Fourth Proportional to 13,057,663.25, 18,018,144.41 and 7,550,204.64

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Solution

The fourth proportional to 13,057,663.25, 18,018,144.41 and 7,550,204.64 is: 10,418,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,663.25 : 18,018,144.41 = 7,550,204.64 : x
  2. Step 2: Convert to fraction form
    13,057,663.25/18,018,144.41 = 7,550,204.64/x
  3. Step 3: Cross multiply
    13,057,663.25x = 18,018,144.41 × 7,550,204.64
  4. Step 4: Simplify right side
    13,057,663.25x = 136,040,677,528,572.06
  5. Step 5: Solve for x
    x = 136,040,677,528,572.06/13,057,663.25
  6. Step 6: Final answer
    x = 10,418,455.04

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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.