Home / 19,378,602.11-26,742,952.51-11,933,445.87

Finding the Fourth Proportional to 19,378,602.11, 26,742,952.51 and 11,933,445.87

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Solution

The fourth proportional to 19,378,602.11, 26,742,952.51 and 11,933,445.87 is: 16,468,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378,602.11 : 26,742,952.51 = 11,933,445.87 : x
  2. Step 2: Convert to fraction form
    19,378,602.11/26,742,952.51 = 11,933,445.87/x
  3. Step 3: Cross multiply
    19,378,602.11x = 26,742,952.51 × 11,933,445.87
  4. Step 4: Simplify right side
    19,378,602.11x = 319,135,576,152,232
  5. Step 5: Solve for x
    x = 319,135,576,152,232/19,378,602.11
  6. Step 6: Final answer
    x = 16,468,451.87

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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.