Home / 12,820,431.80-19,230,647.70-3,844,983.80

Finding the Fourth Proportional to 12,820,431.80, 19,230,647.70 and 3,844,983.80

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Solution

The fourth proportional to 12,820,431.80, 19,230,647.70 and 3,844,983.80 is: 5,767,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,820,431.80 : 19,230,647.70 = 3,844,983.80 : x
  2. Step 2: Convert to fraction form
    12,820,431.80/19,230,647.70 = 3,844,983.80/x
  3. Step 3: Cross multiply
    12,820,431.80x = 19,230,647.70 × 3,844,983.80
  4. Step 4: Simplify right side
    12,820,431.80x = 73,941,528,870,007.25
  5. Step 5: Solve for x
    x = 73,941,528,870,007.25/12,820,431.80
  6. Step 6: Final answer
    x = 5,767,475.70

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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.