Home / 13,560,220.72-18,713,241.92-7,365,388.40

Finding the Fourth Proportional to 13,560,220.72, 18,713,241.92 and 7,365,388.40

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Solution

The fourth proportional to 13,560,220.72, 18,713,241.92 and 7,365,388.40 is: 10,164,310.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560,220.72 : 18,713,241.92 = 7,365,388.40 : x
  2. Step 2: Convert to fraction form
    13,560,220.72/18,713,241.92 = 7,365,388.40/x
  3. Step 3: Cross multiply
    13,560,220.72x = 18,713,241.92 × 7,365,388.40
  4. Step 4: Simplify right side
    13,560,220.72x = 137,830,294,903,743.22
  5. Step 5: Solve for x
    x = 137,830,294,903,743.22/13,560,220.72
  6. Step 6: Final answer
    x = 10,164,310.58

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1.5x scale

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.