Home / 25,689,725.30-38,532,650.10-8,181,574.90

Finding the Fourth Proportional to 25,689,725.30, 38,532,650.10 and 8,181,574.90

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Solution

The fourth proportional to 25,689,725.30, 38,532,650.10 and 8,181,574.90 is: 12,271,745.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,689,725.30 : 38,532,650.10 = 8,181,574.90 : x
  2. Step 2: Convert to fraction form
    25,689,725.30/38,532,650.10 = 8,181,574.90/x
  3. Step 3: Cross multiply
    25,689,725.30x = 38,532,650.10 × 8,181,574.90
  4. Step 4: Simplify right side
    25,689,725.30x = 315,257,762,888,642.50
  5. Step 5: Solve for x
    x = 315,257,762,888,642.50/25,689,725.30
  6. Step 6: Final answer
    x = 12,271,745.19

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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.