Home / 8,436,732.20-12,659,705.32-3,578,282.98

Finding the Fourth Proportional to 8,436,732.20, 12,659,705.32 and 3,578,282.98

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Solution

The fourth proportional to 8,436,732.20, 12,659,705.32 and 3,578,282.98 is: 5,369,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436,732.20 : 12,659,705.32 = 3,578,282.98 : x
  2. Step 2: Convert to fraction form
    8,436,732.20/12,659,705.32 = 3,578,282.98/x
  3. Step 3: Cross multiply
    8,436,732.20x = 12,659,705.32 × 3,578,282.98
  4. Step 4: Simplify right side
    8,436,732.20x = 45,300,008,078,371.45
  5. Step 5: Solve for x
    x = 45,300,008,078,371.45/8,436,732.20
  6. Step 6: Final answer
    x = 5,369,378.45

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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.