Home / 18,447,114.90-27,670,672.35-12,400,497.30

Finding the Fourth Proportional to 18,447,114.90, 27,670,672.35 and 12,400,497.30

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Solution

The fourth proportional to 18,447,114.90, 27,670,672.35 and 12,400,497.30 is: 18,600,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447,114.90 : 27,670,672.35 = 12,400,497.30 : x
  2. Step 2: Convert to fraction form
    18,447,114.90/27,670,672.35 = 12,400,497.30/x
  3. Step 3: Cross multiply
    18,447,114.90x = 27,670,672.35 × 12,400,497.30
  4. Step 4: Simplify right side
    18,447,114.90x = 343,130,097,765,359.69
  5. Step 5: Solve for x
    x = 343,130,097,765,359.69/18,447,114.90
  6. Step 6: Final answer
    x = 18,600,745.95

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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.