Home / 13,558,180.18-18,705,736.47-7,677,010.75

Finding the Fourth Proportional to 13,558,180.18, 18,705,736.47 and 7,677,010.75

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Solution

The fourth proportional to 13,558,180.18, 18,705,736.47 and 7,677,010.75 is: 10,591,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,180.18 : 18,705,736.47 = 7,677,010.75 : x
  2. Step 2: Convert to fraction form
    13,558,180.18/18,705,736.47 = 7,677,010.75/x
  3. Step 3: Cross multiply
    13,558,180.18x = 18,705,736.47 × 7,677,010.75
  4. Step 4: Simplify right side
    13,558,180.18x = 143,604,139,966,857.03
  5. Step 5: Solve for x
    x = 143,604,139,966,857.03/13,558,180.18
  6. Step 6: Final answer
    x = 10,591,697.27

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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.