Home / 8,278,710.40-12,410,678.40-3,228,846.40

Finding the Fourth Proportional to 8,278,710.40, 12,410,678.40 and 3,228,846.40

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Solution

The fourth proportional to 8,278,710.40, 12,410,678.40 and 3,228,846.40 is: 4,840,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,710.40 : 12,410,678.40 = 3,228,846.40 : x
  2. Step 2: Convert to fraction form
    8,278,710.40/12,410,678.40 = 3,228,846.40/x
  3. Step 3: Cross multiply
    8,278,710.40x = 12,410,678.40 × 3,228,846.40
  4. Step 4: Simplify right side
    8,278,710.40x = 40,072,174,273,397.76
  5. Step 5: Solve for x
    x = 40,072,174,273,397.76/8,278,710.40
  6. Step 6: Final answer
    x = 4,840,388.46

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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.