Home / 20,733,138.60-31,099,707.90-14,276,130.45

Finding the Fourth Proportional to 20,733,138.60, 31,099,707.90 and 14,276,130.45

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Solution

The fourth proportional to 20,733,138.60, 31,099,707.90 and 14,276,130.45 is: 21,414,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,138.60 : 31,099,707.90 = 14,276,130.45 : x
  2. Step 2: Convert to fraction form
    20,733,138.60/31,099,707.90 = 14,276,130.45/x
  3. Step 3: Cross multiply
    20,733,138.60x = 31,099,707.90 × 14,276,130.45
  4. Step 4: Simplify right side
    20,733,138.60x = 443,983,486,937,295.50
  5. Step 5: Solve for x
    x = 443,983,486,937,295.50/20,733,138.60
  6. Step 6: Final answer
    x = 21,414,195.68

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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.