Home / 19,378,599.32-26,742,948.62-11,933,443.06

Finding the Fourth Proportional to 19,378,599.32, 26,742,948.62 and 11,933,443.06

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Solution

The fourth proportional to 19,378,599.32, 26,742,948.62 and 11,933,443.06 is: 16,468,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,599.32 : 26,742,948.62 = 11,933,443.06 : x
  2. Step 2: Convert to fraction form
    19,378,599.32/26,742,948.62 = 11,933,443.06/x
  3. Step 3: Cross multiply
    19,378,599.32x = 26,742,948.62 × 11,933,443.06
  4. Step 4: Simplify right side
    19,378,599.32x = 319,135,454,486,750.94
  5. Step 5: Solve for x
    x = 319,135,454,486,750.94/19,378,599.32
  6. Step 6: Final answer
    x = 16,468,447.97

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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.