Home / 11,128,045.20-16,687,920.60-3,936,800.40

Finding the Fourth Proportional to 11,128,045.20, 16,687,920.60 and 3,936,800.40

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Solution

The fourth proportional to 11,128,045.20, 16,687,920.60 and 3,936,800.40 is: 5,903,733.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128,045.20 : 16,687,920.60 = 3,936,800.40 : x
  2. Step 2: Convert to fraction form
    11,128,045.20/16,687,920.60 = 3,936,800.40/x
  3. Step 3: Cross multiply
    11,128,045.20x = 16,687,920.60 × 3,936,800.40
  4. Step 4: Simplify right side
    11,128,045.20x = 65,697,012,493,248.23
  5. Step 5: Solve for x
    x = 65,697,012,493,248.23/11,128,045.20
  6. Step 6: Final answer
    x = 5,903,733.43

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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.