Home / 13,494,553.40-20,241,830.86-3,909,938.28

Finding the Fourth Proportional to 13,494,553.40, 20,241,830.86 and 3,909,938.28

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Solution

The fourth proportional to 13,494,553.40, 20,241,830.86 and 3,909,938.28 is: 5,864,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,553.40 : 20,241,830.86 = 3,909,938.28 : x
  2. Step 2: Convert to fraction form
    13,494,553.40/20,241,830.86 = 3,909,938.28/x
  3. Step 3: Cross multiply
    13,494,553.40x = 20,241,830.86 × 3,909,938.28
  4. Step 4: Simplify right side
    13,494,553.40x = 79,144,309,336,799.31
  5. Step 5: Solve for x
    x = 79,144,309,336,799.31/13,494,553.40
  6. Step 6: Final answer
    x = 5,864,907.64

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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.