Home / 13,915,315.44-20,872,971.54-8,166,796.20

Finding the Fourth Proportional to 13,915,315.44, 20,872,971.54 and 8,166,796.20

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Solution

The fourth proportional to 13,915,315.44, 20,872,971.54 and 8,166,796.20 is: 12,250,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915,315.44 : 20,872,971.54 = 8,166,796.20 : x
  2. Step 2: Convert to fraction form
    13,915,315.44/20,872,971.54 = 8,166,796.20/x
  3. Step 3: Cross multiply
    13,915,315.44x = 20,872,971.54 × 8,166,796.20
  4. Step 4: Simplify right side
    13,915,315.44x = 170,465,304,655,580.16
  5. Step 5: Solve for x
    x = 170,465,304,655,580.16/13,915,315.44
  6. Step 6: Final answer
    x = 12,250,193.35

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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.