Home / 38,701,735.17-53,408,402.36-21,298,080.33

Finding the Fourth Proportional to 38,701,735.17, 53,408,402.36 and 21,298,080.33

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Solution

The fourth proportional to 38,701,735.17, 53,408,402.36 and 21,298,080.33 is: 29,391,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,735.17 : 53,408,402.36 = 21,298,080.33 : x
  2. Step 2: Convert to fraction form
    38,701,735.17/53,408,402.36 = 21,298,080.33/x
  3. Step 3: Cross multiply
    38,701,735.17x = 53,408,402.36 × 21,298,080.33
  4. Step 4: Simplify right side
    38,701,735.17x = 1,137,496,443,760,241.50
  5. Step 5: Solve for x
    x = 1,137,496,443,760,241.50/38,701,735.17
  6. Step 6: Final answer
    x = 29,391,355.16

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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.