Home / 18,993,554.28-26,211,589.20-11,655,440.28

Finding the Fourth Proportional to 18,993,554.28, 26,211,589.20 and 11,655,440.28

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Solution

The fourth proportional to 18,993,554.28, 26,211,589.20 and 11,655,440.28 is: 16,084,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993,554.28 : 26,211,589.20 = 11,655,440.28 : x
  2. Step 2: Convert to fraction form
    18,993,554.28/26,211,589.20 = 11,655,440.28/x
  3. Step 3: Cross multiply
    18,993,554.28x = 26,211,589.20 × 11,655,440.28
  4. Step 4: Simplify right side
    18,993,554.28x = 305,507,612,564,492.94
  5. Step 5: Solve for x
    x = 305,507,612,564,492.94/18,993,554.28
  6. Step 6: Final answer
    x = 16,084,804.77

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1.5x scale

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.