Home / 38,385,955.84-52,972,615.02-20,982,370.36

Finding the Fourth Proportional to 38,385,955.84, 52,972,615.02 and 20,982,370.36

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Solution

The fourth proportional to 38,385,955.84, 52,972,615.02 and 20,982,370.36 is: 28,955,668.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385,955.84 : 52,972,615.02 = 20,982,370.36 : x
  2. Step 2: Convert to fraction form
    38,385,955.84/52,972,615.02 = 20,982,370.36/x
  3. Step 3: Cross multiply
    38,385,955.84x = 52,972,615.02 × 20,982,370.36
  4. Step 4: Simplify right side
    38,385,955.84x = 1,111,491,027,287,338.88
  5. Step 5: Solve for x
    x = 1,111,491,027,287,338.88/38,385,955.84
  6. Step 6: Final answer
    x = 28,955,668.89

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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.