Home / 8,706,087.45-13,059,161.55-2,640,871.44

Finding the Fourth Proportional to 8,706,087.45, 13,059,161.55 and 2,640,871.44

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Solution

The fourth proportional to 8,706,087.45, 13,059,161.55 and 2,640,871.44 is: 3,961,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706,087.45 : 13,059,161.55 = 2,640,871.44 : x
  2. Step 2: Convert to fraction form
    8,706,087.45/13,059,161.55 = 2,640,871.44/x
  3. Step 3: Cross multiply
    8,706,087.45x = 13,059,161.55 × 2,640,871.44
  4. Step 4: Simplify right side
    8,706,087.45x = 34,487,566,767,741.13
  5. Step 5: Solve for x
    x = 34,487,566,767,741.13/8,706,087.45
  6. Step 6: Final answer
    x = 3,961,316.37

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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.