Home / 12,626,861.88-18,940,332.45-3,528,899.49

Finding the Fourth Proportional to 12,626,861.88, 18,940,332.45 and 3,528,899.49

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Solution

The fourth proportional to 12,626,861.88, 18,940,332.45 and 3,528,899.49 is: 5,293,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626,861.88 : 18,940,332.45 = 3,528,899.49 : x
  2. Step 2: Convert to fraction form
    12,626,861.88/18,940,332.45 = 3,528,899.49/x
  3. Step 3: Cross multiply
    12,626,861.88x = 18,940,332.45 × 3,528,899.49
  4. Step 4: Simplify right side
    12,626,861.88x = 66,838,529,523,235.45
  5. Step 5: Solve for x
    x = 66,838,529,523,235.45/12,626,861.88
  6. Step 6: Final answer
    x = 5,293,360.31

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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.