Home / 38,584,854.90-53,245,720.53-21,839,235.12

Finding the Fourth Proportional to 38,584,854.90, 53,245,720.53 and 21,839,235.12

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Solution

The fourth proportional to 38,584,854.90, 53,245,720.53 and 21,839,235.12 is: 30,137,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584,854.90 : 53,245,720.53 = 21,839,235.12 : x
  2. Step 2: Convert to fraction form
    38,584,854.90/53,245,720.53 = 21,839,235.12/x
  3. Step 3: Cross multiply
    38,584,854.90x = 53,245,720.53 × 21,839,235.12
  4. Step 4: Simplify right side
    38,584,854.90x = 1,162,845,809,788,481
  5. Step 5: Solve for x
    x = 1,162,845,809,788,481/38,584,854.90
  6. Step 6: Final answer
    x = 30,137,363.81

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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.