Home / 9,081,845.99-12,535,984.47-5,411,913.78

Finding the Fourth Proportional to 9,081,845.99, 12,535,984.47 and 5,411,913.78

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Solution

The fourth proportional to 9,081,845.99, 12,535,984.47 and 5,411,913.78 is: 7,470,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081,845.99 : 12,535,984.47 = 5,411,913.78 : x
  2. Step 2: Convert to fraction form
    9,081,845.99/12,535,984.47 = 5,411,913.78/x
  3. Step 3: Cross multiply
    9,081,845.99x = 12,535,984.47 × 5,411,913.78
  4. Step 4: Simplify right side
    9,081,845.99x = 67,843,667,099,059
  5. Step 5: Solve for x
    x = 67,843,667,099,059/9,081,845.99
  6. Step 6: Final answer
    x = 7,470,250.78

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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.