Home / 13,698,715.32-18,916,934.58-10,254,977.64

Finding the Fourth Proportional to 13,698,715.32, 18,916,934.58 and 10,254,977.64

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Solution

The fourth proportional to 13,698,715.32, 18,916,934.58 and 10,254,977.64 is: 14,161,382.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,715.32 : 18,916,934.58 = 10,254,977.64 : x
  2. Step 2: Convert to fraction form
    13,698,715.32/18,916,934.58 = 10,254,977.64/x
  3. Step 3: Cross multiply
    13,698,715.32x = 18,916,934.58 × 10,254,977.64
  4. Step 4: Simplify right side
    13,698,715.32x = 193,992,741,135,242.78
  5. Step 5: Solve for x
    x = 193,992,741,135,242.78/13,698,715.32
  6. Step 6: Final answer
    x = 14,161,382.04

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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.