Home / 13,172,017.08-18,176,505.22-7,291,253.32

Finding the Fourth Proportional to 13,172,017.08, 18,176,505.22 and 7,291,253.32

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Solution

The fourth proportional to 13,172,017.08, 18,176,505.22 and 7,291,253.32 is: 10,061,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,017.08 : 18,176,505.22 = 7,291,253.32 : x
  2. Step 2: Convert to fraction form
    13,172,017.08/18,176,505.22 = 7,291,253.32/x
  3. Step 3: Cross multiply
    13,172,017.08x = 18,176,505.22 × 7,291,253.32
  4. Step 4: Simplify right side
    13,172,017.08x = 132,529,504,031,322.33
  5. Step 5: Solve for x
    x = 132,529,504,031,322.33/13,172,017.08
  6. Step 6: Final answer
    x = 10,061,443.38

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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.