Home / 18,087,660.10-27,131,490.15-10,913,206.60

Finding the Fourth Proportional to 18,087,660.10, 27,131,490.15 and 10,913,206.60

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Solution

The fourth proportional to 18,087,660.10, 27,131,490.15 and 10,913,206.60 is: 16,369,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087,660.10 : 27,131,490.15 = 10,913,206.60 : x
  2. Step 2: Convert to fraction form
    18,087,660.10/27,131,490.15 = 10,913,206.60/x
  3. Step 3: Cross multiply
    18,087,660.10x = 27,131,490.15 × 10,913,206.60
  4. Step 4: Simplify right side
    18,087,660.10x = 296,091,557,372,814.94
  5. Step 5: Solve for x
    x = 296,091,557,372,814.94/18,087,660.10
  6. Step 6: Final answer
    x = 16,369,809.90

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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.