Home / 55,638,567.30-83,398,947.75-18,715,306.98

Finding the Fourth Proportional to 55,638,567.30, 83,398,947.75 and 18,715,306.98

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Solution

The fourth proportional to 55,638,567.30, 83,398,947.75 and 18,715,306.98 is: 28,053,147.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638,567.30 : 83,398,947.75 = 18,715,306.98 : x
  2. Step 2: Convert to fraction form
    55,638,567.30/83,398,947.75 = 18,715,306.98/x
  3. Step 3: Cross multiply
    55,638,567.30x = 83,398,947.75 × 18,715,306.98
  4. Step 4: Simplify right side
    55,638,567.30x = 1,560,836,908,950,230.25
  5. Step 5: Solve for x
    x = 1,560,836,908,950,230.25/55,638,567.30
  6. Step 6: Final answer
    x = 28,053,147.03

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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.