Home / 8,640,681.08-12,960,974.84-3,523,091.15

Finding the Fourth Proportional to 8,640,681.08, 12,960,974.84 and 3,523,091.15

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Solution

The fourth proportional to 8,640,681.08, 12,960,974.84 and 3,523,091.15 is: 5,284,617.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640,681.08 : 12,960,974.84 = 3,523,091.15 : x
  2. Step 2: Convert to fraction form
    8,640,681.08/12,960,974.84 = 3,523,091.15/x
  3. Step 3: Cross multiply
    8,640,681.08x = 12,960,974.84 × 3,523,091.15
  4. Step 4: Simplify right side
    8,640,681.08x = 45,662,695,768,963.65
  5. Step 5: Solve for x
    x = 45,662,695,768,963.65/8,640,681.08
  6. Step 6: Final answer
    x = 5,284,617.66

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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.