Home / 18,677,162.96-27,958,283.90-12,186,261.83

Finding the Fourth Proportional to 18,677,162.96, 27,958,283.90 and 12,186,261.83

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Solution

The fourth proportional to 18,677,162.96, 27,958,283.90 and 12,186,261.83 is: 18,241,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,677,162.96 : 27,958,283.90 = 12,186,261.83 : x
  2. Step 2: Convert to fraction form
    18,677,162.96/27,958,283.90 = 12,186,261.83/x
  3. Step 3: Cross multiply
    18,677,162.96x = 27,958,283.90 × 12,186,261.83
  4. Step 4: Simplify right side
    18,677,162.96x = 340,706,967,820,271.06
  5. Step 5: Solve for x
    x = 340,706,967,820,271.06/18,677,162.96
  6. Step 6: Final answer
    x = 18,241,901.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.