Home / 8,538,214.71-11,782,701.05-4,617,975.18

Finding the Fourth Proportional to 8,538,214.71, 11,782,701.05 and 4,617,975.18

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Solution

The fourth proportional to 8,538,214.71, 11,782,701.05 and 4,617,975.18 is: 6,372,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,214.71 : 11,782,701.05 = 4,617,975.18 : x
  2. Step 2: Convert to fraction form
    8,538,214.71/11,782,701.05 = 4,617,975.18/x
  3. Step 3: Cross multiply
    8,538,214.71x = 11,782,701.05 × 4,617,975.18
  4. Step 4: Simplify right side
    8,538,214.71x = 54,412,221,002,259.94
  5. Step 5: Solve for x
    x = 54,412,221,002,259.94/8,538,214.71
  6. Step 6: Final answer
    x = 6,372,786.68

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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.