Home / 7,285,136.70-10,053,436.61-3,977,430.83

Finding the Fourth Proportional to 7,285,136.70, 10,053,436.61 and 3,977,430.83

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Solution

The fourth proportional to 7,285,136.70, 10,053,436.61 and 3,977,430.83 is: 5,488,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,136.70 : 10,053,436.61 = 3,977,430.83 : x
  2. Step 2: Convert to fraction form
    7,285,136.70/10,053,436.61 = 3,977,430.83/x
  3. Step 3: Cross multiply
    7,285,136.70x = 10,053,436.61 × 3,977,430.83
  4. Step 4: Simplify right side
    7,285,136.70x = 39,986,848,649,910.35
  5. Step 5: Solve for x
    x = 39,986,848,649,910.35/7,285,136.70
  6. Step 6: Final answer
    x = 5,488,826.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.