Home / 13,039,507.08-17,993,619.64-7,237,832.12

Finding the Fourth Proportional to 13,039,507.08, 17,993,619.64 and 7,237,832.12

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Solution

The fourth proportional to 13,039,507.08, 17,993,619.64 and 7,237,832.12 is: 9,987,708.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,039,507.08 : 17,993,619.64 = 7,237,832.12 : x
  2. Step 2: Convert to fraction form
    13,039,507.08/17,993,619.64 = 7,237,832.12/x
  3. Step 3: Cross multiply
    13,039,507.08x = 17,993,619.64 × 7,237,832.12
  4. Step 4: Simplify right side
    13,039,507.08x = 130,234,798,185,454.84
  5. Step 5: Solve for x
    x = 130,234,798,185,454.84/13,039,507.08
  6. Step 6: Final answer
    x = 9,987,708.69

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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.