Home / 5,676,940.80-8,515,411.20-5,117,068.80

Finding the Fourth Proportional to 5,676,940.80, 8,515,411.20 and 5,117,068.80

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Solution

The fourth proportional to 5,676,940.80, 8,515,411.20 and 5,117,068.80 is: 7,675,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676,940.80 : 8,515,411.20 = 5,117,068.80 : x
  2. Step 2: Convert to fraction form
    5,676,940.80/8,515,411.20 = 5,117,068.80/x
  3. Step 3: Cross multiply
    5,676,940.80x = 8,515,411.20 × 5,117,068.80
  4. Step 4: Simplify right side
    5,676,940.80x = 43,573,944,970,690.55
  5. Step 5: Solve for x
    x = 43,573,944,970,690.55/5,676,940.80
  6. Step 6: Final answer
    x = 7,675,603.20

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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.