Home / 10,289,037.56-15,420,102.20-4,216,659.84

Finding the Fourth Proportional to 10,289,037.56, 15,420,102.20 and 4,216,659.84

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Solution

The fourth proportional to 10,289,037.56, 15,420,102.20 and 4,216,659.84 is: 6,319,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289,037.56 : 15,420,102.20 = 4,216,659.84 : x
  2. Step 2: Convert to fraction form
    10,289,037.56/15,420,102.20 = 4,216,659.84/x
  3. Step 3: Cross multiply
    10,289,037.56x = 15,420,102.20 × 4,216,659.84
  4. Step 4: Simplify right side
    10,289,037.56x = 65,021,325,654,352.35
  5. Step 5: Solve for x
    x = 65,021,325,654,352.35/10,289,037.56
  6. Step 6: Final answer
    x = 6,319,475.98

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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.