Home / 13,558,597.44-18,712,018.40-7,679,277.48

Finding the Fourth Proportional to 13,558,597.44, 18,712,018.40 and 7,679,277.48

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Solution

The fourth proportional to 13,558,597.44, 18,712,018.40 and 7,679,277.48 is: 10,598,056.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558,597.44 : 18,712,018.40 = 7,679,277.48 : x
  2. Step 2: Convert to fraction form
    13,558,597.44/18,712,018.40 = 7,679,277.48/x
  3. Step 3: Cross multiply
    13,558,597.44x = 18,712,018.40 × 7,679,277.48
  4. Step 4: Simplify right side
    13,558,597.44x = 143,694,781,504,465.62
  5. Step 5: Solve for x
    x = 143,694,781,504,465.62/13,558,597.44
  6. Step 6: Final answer
    x = 10,598,056.48

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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.