Home / 20,292,711.99-28,003,979.93-11,000,253.32

Finding the Fourth Proportional to 20,292,711.99, 28,003,979.93 and 11,000,253.32

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Solution

The fourth proportional to 20,292,711.99, 28,003,979.93 and 11,000,253.32 is: 15,180,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292,711.99 : 28,003,979.93 = 11,000,253.32 : x
  2. Step 2: Convert to fraction form
    20,292,711.99/28,003,979.93 = 11,000,253.32/x
  3. Step 3: Cross multiply
    20,292,711.99x = 28,003,979.93 × 11,000,253.32
  4. Step 4: Simplify right side
    20,292,711.99x = 308,050,873,003,174.69
  5. Step 5: Solve for x
    x = 308,050,873,003,174.69/20,292,711.99
  6. Step 6: Final answer
    x = 15,180,369.84

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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.