Home / 40,284,542.42-55,592,676.54-21,949,827.92

Finding the Fourth Proportional to 40,284,542.42, 55,592,676.54 and 21,949,827.92

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Solution

The fourth proportional to 40,284,542.42, 55,592,676.54 and 21,949,827.92 is: 30,290,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,284,542.42 : 55,592,676.54 = 21,949,827.92 : x
  2. Step 2: Convert to fraction form
    40,284,542.42/55,592,676.54 = 21,949,827.92/x
  3. Step 3: Cross multiply
    40,284,542.42x = 55,592,676.54 × 21,949,827.92
  4. Step 4: Simplify right side
    40,284,542.42x = 1,220,249,683,665,221
  5. Step 5: Solve for x
    x = 1,220,249,683,665,221/40,284,542.42
  6. Step 6: Final answer
    x = 30,290,766.89

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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.