Home / 20,232,613.94-27,921,485.62-11,531,596.16

Finding the Fourth Proportional to 20,232,613.94, 27,921,485.62 and 11,531,596.16

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Solution

The fourth proportional to 20,232,613.94, 27,921,485.62 and 11,531,596.16 is: 15,913,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,613.94 : 27,921,485.62 = 11,531,596.16 : x
  2. Step 2: Convert to fraction form
    20,232,613.94/27,921,485.62 = 11,531,596.16/x
  3. Step 3: Cross multiply
    20,232,613.94x = 27,921,485.62 × 11,531,596.16
  4. Step 4: Simplify right side
    20,232,613.94x = 321,979,296,357,087.25
  5. Step 5: Solve for x
    x = 321,979,296,357,087.25/20,232,613.94
  6. Step 6: Final answer
    x = 15,913,875.36

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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.