Home / 11,874,784-16,387,233.60-6,442,276

Finding the Fourth Proportional to 11,874,784, 16,387,233.60 and 6,442,276

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Solution

The fourth proportional to 11,874,784, 16,387,233.60 and 6,442,276 is: 8,890,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874,784 : 16,387,233.60 = 6,442,276 : x
  2. Step 2: Convert to fraction form
    11,874,784/16,387,233.60 = 6,442,276/x
  3. Step 3: Cross multiply
    11,874,784x = 16,387,233.60 × 6,442,276
  4. Step 4: Simplify right side
    11,874,784x = 105,571,081,727,673.59
  5. Step 5: Solve for x
    x = 105,571,081,727,673.59/11,874,784
  6. Step 6: Final answer
    x = 8,890,358.07

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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.