Home / 10,027,620.90-15,047,020.20-5,416,514.28

Finding the Fourth Proportional to 10,027,620.90, 15,047,020.20 and 5,416,514.28

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Solution

The fourth proportional to 10,027,620.90, 15,047,020.20 and 5,416,514.28 is: 8,127,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027,620.90 : 15,047,020.20 = 5,416,514.28 : x
  2. Step 2: Convert to fraction form
    10,027,620.90/15,047,020.20 = 5,416,514.28/x
  3. Step 3: Cross multiply
    10,027,620.90x = 15,047,020.20 × 5,416,514.28
  4. Step 4: Simplify right side
    10,027,620.90x = 81,502,399,784,748.45
  5. Step 5: Solve for x
    x = 81,502,399,784,748.45/10,027,620.90
  6. Step 6: Final answer
    x = 8,127,790.29

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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.