Home / 8,372,628.97-12,550,971.78-2,688,867.47

Finding the Fourth Proportional to 8,372,628.97, 12,550,971.78 and 2,688,867.47

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Solution

The fourth proportional to 8,372,628.97, 12,550,971.78 and 2,688,867.47 is: 4,030,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,628.97 : 12,550,971.78 = 2,688,867.47 : x
  2. Step 2: Convert to fraction form
    8,372,628.97/12,550,971.78 = 2,688,867.47/x
  3. Step 3: Cross multiply
    8,372,628.97x = 12,550,971.78 × 2,688,867.47
  4. Step 4: Simplify right side
    8,372,628.97x = 33,747,899,767,507.43
  5. Step 5: Solve for x
    x = 33,747,899,767,507.43/8,372,628.97
  6. Step 6: Final answer
    x = 4,030,741.11

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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.