Home / 8,611,011.35-12,916,193.91-2,134,107.98

Finding the Fourth Proportional to 8,611,011.35, 12,916,193.91 and 2,134,107.98

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Solution

The fourth proportional to 8,611,011.35, 12,916,193.91 and 2,134,107.98 is: 3,201,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,011.35 : 12,916,193.91 = 2,134,107.98 : x
  2. Step 2: Convert to fraction form
    8,611,011.35/12,916,193.91 = 2,134,107.98/x
  3. Step 3: Cross multiply
    8,611,011.35x = 12,916,193.91 × 2,134,107.98
  4. Step 4: Simplify right side
    8,611,011.35x = 27,564,552,429,977.43
  5. Step 5: Solve for x
    x = 27,564,552,429,977.43/8,611,011.35
  6. Step 6: Final answer
    x = 3,201,081.89

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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.