Home / 28,080,446.40-42,120,669.60-6,805,310.40

Finding the Fourth Proportional to 28,080,446.40, 42,120,669.60 and 6,805,310.40

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Solution

The fourth proportional to 28,080,446.40, 42,120,669.60 and 6,805,310.40 is: 10,207,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,446.40 : 42,120,669.60 = 6,805,310.40 : x
  2. Step 2: Convert to fraction form
    28,080,446.40/42,120,669.60 = 6,805,310.40/x
  3. Step 3: Cross multiply
    28,080,446.40x = 42,120,669.60 × 6,805,310.40
  4. Step 4: Simplify right side
    28,080,446.40x = 286,644,230,883,843.88
  5. Step 5: Solve for x
    x = 286,644,230,883,843.88/28,080,446.40
  6. Step 6: Final answer
    x = 10,207,965.60

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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.