Home / 38,438,182.96-53,044,696.08-21,034,527.28

Finding the Fourth Proportional to 38,438,182.96, 53,044,696.08 and 21,034,527.28

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Solution

The fourth proportional to 38,438,182.96, 53,044,696.08 and 21,034,527.28 is: 29,027,649.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438,182.96 : 53,044,696.08 = 21,034,527.28 : x
  2. Step 2: Convert to fraction form
    38,438,182.96/53,044,696.08 = 21,034,527.28/x
  3. Step 3: Cross multiply
    38,438,182.96x = 53,044,696.08 × 21,034,527.28
  4. Step 4: Simplify right side
    38,438,182.96x = 1,115,770,106,754,069.12
  5. Step 5: Solve for x
    x = 1,115,770,106,754,069.12/38,438,182.96
  6. Step 6: Final answer
    x = 29,027,649.61

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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.