Home / 53,383,337.80-80,075,006.70-12,993,821.80

Finding the Fourth Proportional to 53,383,337.80, 80,075,006.70 and 12,993,821.80

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Solution

The fourth proportional to 53,383,337.80, 80,075,006.70 and 12,993,821.80 is: 19,490,732.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,383,337.80 : 80,075,006.70 = 12,993,821.80 : x
  2. Step 2: Convert to fraction form
    53,383,337.80/80,075,006.70 = 12,993,821.80/x
  3. Step 3: Cross multiply
    53,383,337.80x = 80,075,006.70 × 12,993,821.80
  4. Step 4: Simplify right side
    53,383,337.80x = 1,040,480,367,693,606.12
  5. Step 5: Solve for x
    x = 1,040,480,367,693,606.12/53,383,337.80
  6. Step 6: Final answer
    x = 19,490,732.70

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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.