Home / 28,084,812.20-42,127,218.30-6,809,676.20

Finding the Fourth Proportional to 28,084,812.20, 42,127,218.30 and 6,809,676.20

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Solution

The fourth proportional to 28,084,812.20, 42,127,218.30 and 6,809,676.20 is: 10,214,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,084,812.20 : 42,127,218.30 = 6,809,676.20 : x
  2. Step 2: Convert to fraction form
    28,084,812.20/42,127,218.30 = 6,809,676.20/x
  3. Step 3: Cross multiply
    28,084,812.20x = 42,127,218.30 × 6,809,676.20
  4. Step 4: Simplify right side
    28,084,812.20x = 286,872,715,829,714.44
  5. Step 5: Solve for x
    x = 286,872,715,829,714.44/28,084,812.20
  6. Step 6: Final answer
    x = 10,214,514.30

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Similar ratio
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1.5x scale

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.