Home / 19,768,238.48-27,279,960.72-11,066,482.64

Finding the Fourth Proportional to 19,768,238.48, 27,279,960.72 and 11,066,482.64

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Solution

The fourth proportional to 19,768,238.48, 27,279,960.72 and 11,066,482.64 is: 15,271,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768,238.48 : 27,279,960.72 = 11,066,482.64 : x
  2. Step 2: Convert to fraction form
    19,768,238.48/27,279,960.72 = 11,066,482.64/x
  3. Step 3: Cross multiply
    19,768,238.48x = 27,279,960.72 × 11,066,482.64
  4. Step 4: Simplify right side
    19,768,238.48x = 301,893,211,727,761.88
  5. Step 5: Solve for x
    x = 301,893,211,727,761.88/19,768,238.48
  6. Step 6: Final answer
    x = 15,271,629.39

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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.