Home / 20,605,635.46-28,434,354.50-11,437,556.50

Finding the Fourth Proportional to 20,605,635.46, 28,434,354.50 and 11,437,556.50

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Solution

The fourth proportional to 20,605,635.46, 28,434,354.50 and 11,437,556.50 is: 15,783,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605,635.46 : 28,434,354.50 = 11,437,556.50 : x
  2. Step 2: Convert to fraction form
    20,605,635.46/28,434,354.50 = 11,437,556.50/x
  3. Step 3: Cross multiply
    20,605,635.46x = 28,434,354.50 × 11,437,556.50
  4. Step 4: Simplify right side
    20,605,635.46x = 325,219,536,134,779.25
  5. Step 5: Solve for x
    x = 325,219,536,134,779.25/20,605,635.46
  6. Step 6: Final answer
    x = 15,783,038.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.