Home / 8,659,200.37-12,988,532.64-4,113,520.87

Finding the Fourth Proportional to 8,659,200.37, 12,988,532.64 and 4,113,520.87

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Solution

The fourth proportional to 8,659,200.37, 12,988,532.64 and 4,113,520.87 is: 6,170,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659,200.37 : 12,988,532.64 = 4,113,520.87 : x
  2. Step 2: Convert to fraction form
    8,659,200.37/12,988,532.64 = 4,113,520.87/x
  3. Step 3: Cross multiply
    8,659,200.37x = 12,988,532.64 × 4,113,520.87
  4. Step 4: Simplify right side
    8,659,200.37x = 53,428,600,020,373.54
  5. Step 5: Solve for x
    x = 53,428,600,020,373.54/8,659,200.37
  6. Step 6: Final answer
    x = 6,170,154.03

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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.