Home / 18,628,993.80-27,943,490.70-17,589,731.40

Finding the Fourth Proportional to 18,628,993.80, 27,943,490.70 and 17,589,731.40

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Solution

The fourth proportional to 18,628,993.80, 27,943,490.70 and 17,589,731.40 is: 26,384,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628,993.80 : 27,943,490.70 = 17,589,731.40 : x
  2. Step 2: Convert to fraction form
    18,628,993.80/27,943,490.70 = 17,589,731.40/x
  3. Step 3: Cross multiply
    18,628,993.80x = 27,943,490.70 × 17,589,731.40
  4. Step 4: Simplify right side
    18,628,993.80x = 491,518,495,791,397.94
  5. Step 5: Solve for x
    x = 491,518,495,791,397.94/18,628,993.80
  6. Step 6: Final answer
    x = 26,384,597.10

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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.