Home / 8,640,633.21-12,960,902.93-3,523,043.18

Finding the Fourth Proportional to 8,640,633.21, 12,960,902.93 and 3,523,043.18

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Solution

The fourth proportional to 8,640,633.21, 12,960,902.93 and 3,523,043.18 is: 5,284,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,633.21 : 12,960,902.93 = 3,523,043.18 : x
  2. Step 2: Convert to fraction form
    8,640,633.21/12,960,902.93 = 3,523,043.18/x
  3. Step 3: Cross multiply
    8,640,633.21x = 12,960,902.93 × 3,523,043.18
  4. Step 4: Simplify right side
    8,640,633.21x = 45,661,820,674,178.52
  5. Step 5: Solve for x
    x = 45,661,820,674,178.52/8,640,633.21
  6. Step 6: Final answer
    x = 5,284,545.65

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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.