Home / 56,242,021.36-84,345,760.77-19,841,899.15

Finding the Fourth Proportional to 56,242,021.36, 84,345,760.77 and 19,841,899.15

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Solution

The fourth proportional to 56,242,021.36, 84,345,760.77 and 19,841,899.15 is: 29,756,755.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,242,021.36 : 84,345,760.77 = 19,841,899.15 : x
  2. Step 2: Convert to fraction form
    56,242,021.36/84,345,760.77 = 19,841,899.15/x
  3. Step 3: Cross multiply
    56,242,021.36x = 84,345,760.77 × 19,841,899.15
  4. Step 4: Simplify right side
    56,242,021.36x = 1,673,580,078,928,366.25
  5. Step 5: Solve for x
    x = 1,673,580,078,928,366.25/56,242,021.36
  6. Step 6: Final answer
    x = 29,756,755.51

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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.