Home / 8,042,513.90-12,065,520.45-2,650,246.70

Finding the Fourth Proportional to 8,042,513.90, 12,065,520.45 and 2,650,246.70

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Solution

The fourth proportional to 8,042,513.90, 12,065,520.45 and 2,650,246.70 is: 3,975,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042,513.90 : 12,065,520.45 = 2,650,246.70 : x
  2. Step 2: Convert to fraction form
    8,042,513.90/12,065,520.45 = 2,650,246.70/x
  3. Step 3: Cross multiply
    8,042,513.90x = 12,065,520.45 × 2,650,246.70
  4. Step 4: Simplify right side
    8,042,513.90x = 31,976,605,756,395.02
  5. Step 5: Solve for x
    x = 31,976,605,756,395.02/8,042,513.90
  6. Step 6: Final answer
    x = 3,975,946.60

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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.