Home / 51,021,345.23-76,531,919.40-12,682,896.24

Finding the Fourth Proportional to 51,021,345.23, 76,531,919.40 and 12,682,896.24

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Solution

The fourth proportional to 51,021,345.23, 76,531,919.40 and 12,682,896.24 is: 19,024,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,021,345.23 : 76,531,919.40 = 12,682,896.24 : x
  2. Step 2: Convert to fraction form
    51,021,345.23/76,531,919.40 = 12,682,896.24/x
  3. Step 3: Cross multiply
    51,021,345.23x = 76,531,919.40 × 12,682,896.24
  4. Step 4: Simplify right side
    51,021,345.23x = 970,646,392,798,243.12
  5. Step 5: Solve for x
    x = 970,646,392,798,243.12/51,021,345.23
  6. Step 6: Final answer
    x = 19,024,319.89

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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.