Home / 8,372,638.71-12,550,986.41-2,688,877.22

Finding the Fourth Proportional to 8,372,638.71, 12,550,986.41 and 2,688,877.22

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Solution

The fourth proportional to 8,372,638.71, 12,550,986.41 and 2,688,877.22 is: 4,030,755.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372,638.71 : 12,550,986.41 = 2,688,877.22 : x
  2. Step 2: Convert to fraction form
    8,372,638.71/12,550,986.41 = 2,688,877.22/x
  3. Step 3: Cross multiply
    8,372,638.71x = 12,550,986.41 × 2,688,877.22
  4. Step 4: Simplify right side
    8,372,638.71x = 33,748,061,370,179.26
  5. Step 5: Solve for x
    x = 33,748,061,370,179.26/8,372,638.71
  6. Step 6: Final answer
    x = 4,030,755.72

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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.