Home / 12,224,628.26-16,870,087.05-7,643,605.22

Finding the Fourth Proportional to 12,224,628.26, 16,870,087.05 and 7,643,605.22

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Solution

The fourth proportional to 12,224,628.26, 16,870,087.05 and 7,643,605.22 is: 10,548,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224,628.26 : 16,870,087.05 = 7,643,605.22 : x
  2. Step 2: Convert to fraction form
    12,224,628.26/16,870,087.05 = 7,643,605.22/x
  3. Step 3: Cross multiply
    12,224,628.26x = 16,870,087.05 × 7,643,605.22
  4. Step 4: Simplify right side
    12,224,628.26x = 128,948,285,437,234.41
  5. Step 5: Solve for x
    x = 128,948,285,437,234.41/12,224,628.26
  6. Step 6: Final answer
    x = 10,548,237.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.