Home / 18,144,130.80-27,184,703.40-11,751,092.40

Finding the Fourth Proportional to 18,144,130.80, 27,184,703.40 and 11,751,092.40

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Solution

The fourth proportional to 18,144,130.80, 27,184,703.40 and 11,751,092.40 is: 17,606,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,130.80 : 27,184,703.40 = 11,751,092.40 : x
  2. Step 2: Convert to fraction form
    18,144,130.80/27,184,703.40 = 11,751,092.40/x
  3. Step 3: Cross multiply
    18,144,130.80x = 27,184,703.40 × 11,751,092.40
  4. Step 4: Simplify right side
    18,144,130.80x = 319,449,961,519,994.12
  5. Step 5: Solve for x
    x = 319,449,961,519,994.12/18,144,130.80
  6. Step 6: Final answer
    x = 17,606,242.21

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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.