Home / 28,676,267.40-43,008,423.30-10,489,029.60

Finding the Fourth Proportional to 28,676,267.40, 43,008,423.30 and 10,489,029.60

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Solution

The fourth proportional to 28,676,267.40, 43,008,423.30 and 10,489,029.60 is: 15,731,357.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676,267.40 : 43,008,423.30 = 10,489,029.60 : x
  2. Step 2: Convert to fraction form
    28,676,267.40/43,008,423.30 = 10,489,029.60/x
  3. Step 3: Cross multiply
    28,676,267.40x = 43,008,423.30 × 10,489,029.60
  4. Step 4: Simplify right side
    28,676,267.40x = 451,116,625,043,029.62
  5. Step 5: Solve for x
    x = 451,116,625,043,029.62/28,676,267.40
  6. Step 6: Final answer
    x = 15,731,357.88

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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.