Home / 21,334,723.40-31,977,201.90-8,548,905.80

Finding the Fourth Proportional to 21,334,723.40, 31,977,201.90 and 8,548,905.80

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Solution

The fourth proportional to 21,334,723.40, 31,977,201.90 and 8,548,905.80 is: 12,813,387.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334,723.40 : 31,977,201.90 = 8,548,905.80 : x
  2. Step 2: Convert to fraction form
    21,334,723.40/31,977,201.90 = 8,548,905.80/x
  3. Step 3: Cross multiply
    21,334,723.40x = 31,977,201.90 × 8,548,905.80
  4. Step 4: Simplify right side
    21,334,723.40x = 273,370,086,790,681.03
  5. Step 5: Solve for x
    x = 273,370,086,790,681.03/21,334,723.40
  6. Step 6: Final answer
    x = 12,813,387.91

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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.