Home / 30,166,541.28-45,256,896.72-9,971,782.56

Finding the Fourth Proportional to 30,166,541.28, 45,256,896.72 and 9,971,782.56

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Solution

The fourth proportional to 30,166,541.28, 45,256,896.72 and 9,971,782.56 is: 14,960,015.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166,541.28 : 45,256,896.72 = 9,971,782.56 : x
  2. Step 2: Convert to fraction form
    30,166,541.28/45,256,896.72 = 9,971,782.56/x
  3. Step 3: Cross multiply
    30,166,541.28x = 45,256,896.72 × 9,971,782.56
  4. Step 4: Simplify right side
    30,166,541.28x = 451,291,933,432,217.19
  5. Step 5: Solve for x
    x = 451,291,933,432,217.19/30,166,541.28
  6. Step 6: Final answer
    x = 14,960,015.78

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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.