Home / 39,209,676.48-54,107,684.10-21,567,459.53

Finding the Fourth Proportional to 39,209,676.48, 54,107,684.10 and 21,567,459.53

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Solution

The fourth proportional to 39,209,676.48, 54,107,684.10 and 21,567,459.53 is: 29,762,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,209,676.48 : 54,107,684.10 = 21,567,459.53 : x
  2. Step 2: Convert to fraction form
    39,209,676.48/54,107,684.10 = 21,567,459.53/x
  3. Step 3: Cross multiply
    39,209,676.48x = 54,107,684.10 × 21,567,459.53
  4. Step 4: Simplify right side
    39,209,676.48x = 1,166,965,287,224,043.75
  5. Step 5: Solve for x
    x = 1,166,965,287,224,043.75/39,209,676.48
  6. Step 6: Final answer
    x = 29,762,175.87

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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.