Home / 18,538,367.80-27,807,551.70-10,961,433.40

Finding the Fourth Proportional to 18,538,367.80, 27,807,551.70 and 10,961,433.40

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Solution

The fourth proportional to 18,538,367.80, 27,807,551.70 and 10,961,433.40 is: 16,442,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,367.80 : 27,807,551.70 = 10,961,433.40 : x
  2. Step 2: Convert to fraction form
    18,538,367.80/27,807,551.70 = 10,961,433.40/x
  3. Step 3: Cross multiply
    18,538,367.80x = 27,807,551.70 × 10,961,433.40
  4. Step 4: Simplify right side
    18,538,367.80x = 304,810,625,976,606.81
  5. Step 5: Solve for x
    x = 304,810,625,976,606.81/18,538,367.80
  6. Step 6: Final answer
    x = 16,442,150.10

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1.5x scale

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.