Home / 20,292,710.49-28,003,977.86-11,000,251.81

Finding the Fourth Proportional to 20,292,710.49, 28,003,977.86 and 11,000,251.81

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Solution

The fourth proportional to 20,292,710.49, 28,003,977.86 and 11,000,251.81 is: 15,180,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,710.49 : 28,003,977.86 = 11,000,251.81 : x
  2. Step 2: Convert to fraction form
    20,292,710.49/28,003,977.86 = 11,000,251.81/x
  3. Step 3: Cross multiply
    20,292,710.49x = 28,003,977.86 × 11,000,251.81
  4. Step 4: Simplify right side
    20,292,710.49x = 308,050,808,121,668.62
  5. Step 5: Solve for x
    x = 308,050,808,121,668.62/20,292,710.49
  6. Step 6: Final answer
    x = 15,180,367.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.