Home / 15,977,709.30-23,950,817.55-7,891,932.90

Finding the Fourth Proportional to 15,977,709.30, 23,950,817.55 and 7,891,932.90

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Solution

The fourth proportional to 15,977,709.30, 23,950,817.55 and 7,891,932.90 is: 11,830,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977,709.30 : 23,950,817.55 = 7,891,932.90 : x
  2. Step 2: Convert to fraction form
    15,977,709.30/23,950,817.55 = 7,891,932.90/x
  3. Step 3: Cross multiply
    15,977,709.30x = 23,950,817.55 × 7,891,932.90
  4. Step 4: Simplify right side
    15,977,709.30x = 189,018,245,004,742.41
  5. Step 5: Solve for x
    x = 189,018,245,004,742.41/15,977,709.30
  6. Step 6: Final answer
    x = 11,830,121.67

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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.