Home / 13,830,601.80-20,745,902.70-7,453,309.80

Finding the Fourth Proportional to 13,830,601.80, 20,745,902.70 and 7,453,309.80

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Solution

The fourth proportional to 13,830,601.80, 20,745,902.70 and 7,453,309.80 is: 11,179,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,601.80 : 20,745,902.70 = 7,453,309.80 : x
  2. Step 2: Convert to fraction form
    13,830,601.80/20,745,902.70 = 7,453,309.80/x
  3. Step 3: Cross multiply
    13,830,601.80x = 20,745,902.70 × 7,453,309.80
  4. Step 4: Simplify right side
    13,830,601.80x = 154,625,639,903,756.44
  5. Step 5: Solve for x
    x = 154,625,639,903,756.44/13,830,601.80
  6. Step 6: Final answer
    x = 11,179,964.70

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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.