Home / 20,727,765.36-31,091,648.02-10,650,069.36

Finding the Fourth Proportional to 20,727,765.36, 31,091,648.02 and 10,650,069.36

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Solution

The fourth proportional to 20,727,765.36, 31,091,648.02 and 10,650,069.36 is: 15,975,104.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727,765.36 : 31,091,648.02 = 10,650,069.36 : x
  2. Step 2: Convert to fraction form
    20,727,765.36/31,091,648.02 = 10,650,069.36/x
  3. Step 3: Cross multiply
    20,727,765.36x = 31,091,648.02 × 10,650,069.36
  4. Step 4: Simplify right side
    20,727,765.36x = 331,128,207,929,706.62
  5. Step 5: Solve for x
    x = 331,128,207,929,706.62/20,727,765.36
  6. Step 6: Final answer
    x = 15,975,104.03

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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.