Home / 11,854,357.20-17,780,177.40-3,101,480.76

Finding the Fourth Proportional to 11,854,357.20, 17,780,177.40 and 3,101,480.76

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Solution

The fourth proportional to 11,854,357.20, 17,780,177.40 and 3,101,480.76 is: 4,651,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854,357.20 : 17,780,177.40 = 3,101,480.76 : x
  2. Step 2: Convert to fraction form
    11,854,357.20/17,780,177.40 = 3,101,480.76/x
  3. Step 3: Cross multiply
    11,854,357.20x = 17,780,177.40 × 3,101,480.76
  4. Step 4: Simplify right side
    11,854,357.20x = 55,144,878,115,486.81
  5. Step 5: Solve for x
    x = 55,144,878,115,486.81/11,854,357.20
  6. Step 6: Final answer
    x = 4,651,865.74

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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.