Home / 13,609,871.10-20,418,415.20-5,930,220.60

Finding the Fourth Proportional to 13,609,871.10, 20,418,415.20 and 5,930,220.60

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Solution

The fourth proportional to 13,609,871.10, 20,418,415.20 and 5,930,220.60 is: 8,896,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,871.10 : 20,418,415.20 = 5,930,220.60 : x
  2. Step 2: Convert to fraction form
    13,609,871.10/20,418,415.20 = 5,930,220.60/x
  3. Step 3: Cross multiply
    13,609,871.10x = 20,418,415.20 × 5,930,220.60
  4. Step 4: Simplify right side
    13,609,871.10x = 121,085,706,438,393.11
  5. Step 5: Solve for x
    x = 121,085,706,438,393.11/13,609,871.10
  6. Step 6: Final answer
    x = 8,896,903.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.