Home / 8,640,632.21-12,960,901.43-3,523,042.18

Finding the Fourth Proportional to 8,640,632.21, 12,960,901.43 and 3,523,042.18

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Solution

The fourth proportional to 8,640,632.21, 12,960,901.43 and 3,523,042.18 is: 5,284,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,632.21 : 12,960,901.43 = 3,523,042.18 : x
  2. Step 2: Convert to fraction form
    8,640,632.21/12,960,901.43 = 3,523,042.18/x
  3. Step 3: Cross multiply
    8,640,632.21x = 12,960,901.43 × 3,523,042.18
  4. Step 4: Simplify right side
    8,640,632.21x = 45,661,802,440,509.64
  5. Step 5: Solve for x
    x = 45,661,802,440,509.64/8,640,632.21
  6. Step 6: Final answer
    x = 5,284,544.16

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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.