Home / 40,078,936.50-55,309,038.60-21,744,222

Finding the Fourth Proportional to 40,078,936.50, 55,309,038.60 and 21,744,222

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Solution

The fourth proportional to 40,078,936.50, 55,309,038.60 and 21,744,222 is: 30,007,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,078,936.50 : 55,309,038.60 = 21,744,222 : x
  2. Step 2: Convert to fraction form
    40,078,936.50/55,309,038.60 = 21,744,222/x
  3. Step 3: Cross multiply
    40,078,936.50x = 55,309,038.60 × 21,744,222
  4. Step 4: Simplify right side
    40,078,936.50x = 1,202,652,013,924,969.25
  5. Step 5: Solve for x
    x = 1,202,652,013,924,969.25/40,078,936.50
  6. Step 6: Final answer
    x = 30,007,083.99

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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.