Home / 19,154,773.64-28,742,249.52-11,073,424.88

Finding the Fourth Proportional to 19,154,773.64, 28,742,249.52 and 11,073,424.88

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Solution

The fourth proportional to 19,154,773.64, 28,742,249.52 and 11,073,424.88 is: 16,615,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,154,773.64 : 28,742,249.52 = 11,073,424.88 : x
  2. Step 2: Convert to fraction form
    19,154,773.64/28,742,249.52 = 11,073,424.88/x
  3. Step 3: Cross multiply
    19,154,773.64x = 28,742,249.52 × 11,073,424.88
  4. Step 4: Simplify right side
    19,154,773.64x = 318,275,141,013,791.69
  5. Step 5: Solve for x
    x = 318,275,141,013,791.69/19,154,773.64
  6. Step 6: Final answer
    x = 16,615,969.83

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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.