Home / 18,538,343.80-27,807,515.70-10,961,409.40

Finding the Fourth Proportional to 18,538,343.80, 27,807,515.70 and 10,961,409.40

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Solution

The fourth proportional to 18,538,343.80, 27,807,515.70 and 10,961,409.40 is: 16,442,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538,343.80 : 27,807,515.70 = 10,961,409.40 : x
  2. Step 2: Convert to fraction form
    18,538,343.80/27,807,515.70 = 10,961,409.40/x
  3. Step 3: Cross multiply
    18,538,343.80x = 27,807,515.70 × 10,961,409.40
  4. Step 4: Simplify right side
    18,538,343.80x = 304,809,563,984,627.56
  5. Step 5: Solve for x
    x = 304,809,563,984,627.56/18,538,343.80
  6. Step 6: Final answer
    x = 16,442,114.10

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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.