Home / 28,802,455.64-43,203,727.20-11,763,128.58

Finding the Fourth Proportional to 28,802,455.64, 43,203,727.20 and 11,763,128.58

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Solution

The fourth proportional to 28,802,455.64, 43,203,727.20 and 11,763,128.58 is: 17,644,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,802,455.64 : 43,203,727.20 = 11,763,128.58 : x
  2. Step 2: Convert to fraction form
    28,802,455.64/43,203,727.20 = 11,763,128.58/x
  3. Step 3: Cross multiply
    28,802,455.64x = 43,203,727.20 × 11,763,128.58
  4. Step 4: Simplify right side
    28,802,455.64x = 508,210,998,070,941.12
  5. Step 5: Solve for x
    x = 508,210,998,070,941.12/28,802,455.64
  6. Step 6: Final answer
    x = 17,644,710.73

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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.