Home / 28,811,897.70-43,203,072.15-8,614,515.30

Finding the Fourth Proportional to 28,811,897.70, 43,203,072.15 and 8,614,515.30

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Solution

The fourth proportional to 28,811,897.70, 43,203,072.15 and 8,614,515.30 is: 12,917,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,811,897.70 : 43,203,072.15 = 8,614,515.30 : x
  2. Step 2: Convert to fraction form
    28,811,897.70/43,203,072.15 = 8,614,515.30/x
  3. Step 3: Cross multiply
    28,811,897.70x = 43,203,072.15 × 8,614,515.30
  4. Step 4: Simplify right side
    28,811,897.70x = 372,173,526,043,178.94
  5. Step 5: Solve for x
    x = 372,173,526,043,178.94/28,811,897.70
  6. Step 6: Final answer
    x = 12,917,355.53

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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.