Home / 47,798,596.05-71,697,784.71-20,487,179.67

Finding the Fourth Proportional to 47,798,596.05, 71,697,784.71 and 20,487,179.67

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Solution

The fourth proportional to 47,798,596.05, 71,697,784.71 and 20,487,179.67 is: 30,730,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798,596.05 : 71,697,784.71 = 20,487,179.67 : x
  2. Step 2: Convert to fraction form
    47,798,596.05/71,697,784.71 = 20,487,179.67/x
  3. Step 3: Cross multiply
    47,798,596.05x = 71,697,784.71 × 20,487,179.67
  4. Step 4: Simplify right side
    47,798,596.05x = 1,468,885,397,294,748.75
  5. Step 5: Solve for x
    x = 1,468,885,397,294,748.75/47,798,596.05
  6. Step 6: Final answer
    x = 30,730,722.63

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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.