Home / 7,220,553.40-10,828,205.70-3,625,125.40

Finding the Fourth Proportional to 7,220,553.40, 10,828,205.70 and 3,625,125.40

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Solution

The fourth proportional to 7,220,553.40, 10,828,205.70 and 3,625,125.40 is: 5,436,370.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,553.40 : 10,828,205.70 = 3,625,125.40 : x
  2. Step 2: Convert to fraction form
    7,220,553.40/10,828,205.70 = 3,625,125.40/x
  3. Step 3: Cross multiply
    7,220,553.40x = 10,828,205.70 × 3,625,125.40
  4. Step 4: Simplify right side
    7,220,553.40x = 39,253,603,519,494.77
  5. Step 5: Solve for x
    x = 39,253,603,519,494.77/7,220,553.40
  6. Step 6: Final answer
    x = 5,436,370.50

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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.