Home / 8,977,760.57-13,468,533.37-2,912,020.40

Finding the Fourth Proportional to 8,977,760.57, 13,468,533.37 and 2,912,020.40

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Solution

The fourth proportional to 8,977,760.57, 13,468,533.37 and 2,912,020.40 is: 4,368,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977,760.57 : 13,468,533.37 = 2,912,020.40 : x
  2. Step 2: Convert to fraction form
    8,977,760.57/13,468,533.37 = 2,912,020.40/x
  3. Step 3: Cross multiply
    8,977,760.57x = 13,468,533.37 × 2,912,020.40
  4. Step 4: Simplify right side
    8,977,760.57x = 39,220,643,957,912.03
  5. Step 5: Solve for x
    x = 39,220,643,957,912.03/8,977,760.57
  6. Step 6: Final answer
    x = 4,368,644.46

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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.