Home / 40,916,978.32-61,393,438.36-21,481,688.56

Finding the Fourth Proportional to 40,916,978.32, 61,393,438.36 and 21,481,688.56

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Solution

The fourth proportional to 40,916,978.32, 61,393,438.36 and 21,481,688.56 is: 32,231,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916,978.32 : 61,393,438.36 = 21,481,688.56 : x
  2. Step 2: Convert to fraction form
    40,916,978.32/61,393,438.36 = 21,481,688.56/x
  3. Step 3: Cross multiply
    40,916,978.32x = 61,393,438.36 × 21,481,688.56
  4. Step 4: Simplify right side
    40,916,978.32x = 1,318,834,722,477,077
  5. Step 5: Solve for x
    x = 1,318,834,722,477,077/40,916,978.32
  6. Step 6: Final answer
    x = 32,231,967.67

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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.