Home / 47,212,757.28-70,769,515.32-21,632,730.48

Finding the Fourth Proportional to 47,212,757.28, 70,769,515.32 and 21,632,730.48

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Solution

The fourth proportional to 47,212,757.28, 70,769,515.32 and 21,632,730.48 is: 32,426,359.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212,757.28 : 70,769,515.32 = 21,632,730.48 : x
  2. Step 2: Convert to fraction form
    47,212,757.28/70,769,515.32 = 21,632,730.48/x
  3. Step 3: Cross multiply
    47,212,757.28x = 70,769,515.32 × 21,632,730.48
  4. Step 4: Simplify right side
    47,212,757.28x = 1,530,937,851,117,790.75
  5. Step 5: Solve for x
    x = 1,530,937,851,117,790.75/47,212,757.28
  6. Step 6: Final answer
    x = 32,426,359.72

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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.