Home / 38,668,953.64-53,364,525.42-21,266,645.80

Finding the Fourth Proportional to 38,668,953.64, 53,364,525.42 and 21,266,645.80

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Solution

The fourth proportional to 38,668,953.64, 53,364,525.42 and 21,266,645.80 is: 29,348,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,953.64 : 53,364,525.42 = 21,266,645.80 : x
  2. Step 2: Convert to fraction form
    38,668,953.64/53,364,525.42 = 21,266,645.80/x
  3. Step 3: Cross multiply
    38,668,953.64x = 53,364,525.42 × 21,266,645.80
  4. Step 4: Simplify right side
    38,668,953.64x = 1,134,884,460,392,236.25
  5. Step 5: Solve for x
    x = 1,134,884,460,392,236.25/38,668,953.64
  6. Step 6: Final answer
    x = 29,348,724.33

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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.