Home / 10,027,621.90-15,047,021.70-5,416,515.28

Finding the Fourth Proportional to 10,027,621.90, 15,047,021.70 and 5,416,515.28

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Solution

The fourth proportional to 10,027,621.90, 15,047,021.70 and 5,416,515.28 is: 8,127,791.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027,621.90 : 15,047,021.70 = 5,416,515.28 : x
  2. Step 2: Convert to fraction form
    10,027,621.90/15,047,021.70 = 5,416,515.28/x
  3. Step 3: Cross multiply
    10,027,621.90x = 15,047,021.70 × 5,416,515.28
  4. Step 4: Simplify right side
    10,027,621.90x = 81,502,422,956,541.58
  5. Step 5: Solve for x
    x = 81,502,422,956,541.58/10,027,621.90
  6. Step 6: Final answer
    x = 8,127,791.79

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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.