Home / 12,952,861.80-19,429,292.70-3,976,247.40

Finding the Fourth Proportional to 12,952,861.80, 19,429,292.70 and 3,976,247.40

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Solution

The fourth proportional to 12,952,861.80, 19,429,292.70 and 3,976,247.40 is: 5,964,371.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,861.80 : 19,429,292.70 = 3,976,247.40 : x
  2. Step 2: Convert to fraction form
    12,952,861.80/19,429,292.70 = 3,976,247.40/x
  3. Step 3: Cross multiply
    12,952,861.80x = 19,429,292.70 × 3,976,247.40
  4. Step 4: Simplify right side
    12,952,861.80x = 77,255,674,582,213.97
  5. Step 5: Solve for x
    x = 77,255,674,582,213.97/12,952,861.80
  6. Step 6: Final answer
    x = 5,964,371.10

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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.