Home / 14,489,141.70-21,733,712.55-12,977,487.30

Finding the Fourth Proportional to 14,489,141.70, 21,733,712.55 and 12,977,487.30

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Solution

The fourth proportional to 14,489,141.70, 21,733,712.55 and 12,977,487.30 is: 19,466,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,141.70 : 21,733,712.55 = 12,977,487.30 : x
  2. Step 2: Convert to fraction form
    14,489,141.70/21,733,712.55 = 12,977,487.30/x
  3. Step 3: Cross multiply
    14,489,141.70x = 21,733,712.55 × 12,977,487.30
  4. Step 4: Simplify right side
    14,489,141.70x = 282,048,978,599,475.62
  5. Step 5: Solve for x
    x = 282,048,978,599,475.62/14,489,141.70
  6. Step 6: Final answer
    x = 19,466,230.95

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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.