Home / 20,660,101.20-30,954,722.40-9,854,134.20

Finding the Fourth Proportional to 20,660,101.20, 30,954,722.40 and 9,854,134.20

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Solution

The fourth proportional to 20,660,101.20, 30,954,722.40 and 9,854,134.20 is: 14,764,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,660,101.20 : 30,954,722.40 = 9,854,134.20 : x
  2. Step 2: Convert to fraction form
    20,660,101.20/30,954,722.40 = 9,854,134.20/x
  3. Step 3: Cross multiply
    20,660,101.20x = 30,954,722.40 × 9,854,134.20
  4. Step 4: Simplify right side
    20,660,101.20x = 305,031,988,653,346.06
  5. Step 5: Solve for x
    x = 305,031,988,653,346.06/20,660,101.20
  6. Step 6: Final answer
    x = 14,764,302.74

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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.