Home / 8,478,081.77-11,699,642.36-4,610,519.69

Finding the Fourth Proportional to 8,478,081.77, 11,699,642.36 and 4,610,519.69

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Solution

The fourth proportional to 8,478,081.77, 11,699,642.36 and 4,610,519.69 is: 6,362,457.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,478,081.77 : 11,699,642.36 = 4,610,519.69 : x
  2. Step 2: Convert to fraction form
    8,478,081.77/11,699,642.36 = 4,610,519.69/x
  3. Step 3: Cross multiply
    8,478,081.77x = 11,699,642.36 × 4,610,519.69
  4. Step 4: Simplify right side
    8,478,081.77x = 53,941,431,419,766.16
  5. Step 5: Solve for x
    x = 53,941,431,419,766.16/8,478,081.77
  6. Step 6: Final answer
    x = 6,362,457.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.