Home / 38,668,953.14-53,364,524.73-21,266,645.30

Finding the Fourth Proportional to 38,668,953.14, 53,364,524.73 and 21,266,645.30

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Solution

The fourth proportional to 38,668,953.14, 53,364,524.73 and 21,266,645.30 is: 29,348,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,953.14 : 53,364,524.73 = 21,266,645.30 : x
  2. Step 2: Convert to fraction form
    38,668,953.14/53,364,524.73 = 21,266,645.30/x
  3. Step 3: Cross multiply
    38,668,953.14x = 53,364,524.73 × 21,266,645.30
  4. Step 4: Simplify right side
    38,668,953.14x = 1,134,884,419,035,988.25
  5. Step 5: Solve for x
    x = 1,134,884,419,035,988.25/38,668,953.14
  6. Step 6: Final answer
    x = 29,348,723.64

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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.