Home / 12,043,384.12-16,619,661.52-6,536,640.78

Finding the Fourth Proportional to 12,043,384.12, 16,619,661.52 and 6,536,640.78

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Solution

The fourth proportional to 12,043,384.12, 16,619,661.52 and 6,536,640.78 is: 9,020,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,384.12 : 16,619,661.52 = 6,536,640.78 : x
  2. Step 2: Convert to fraction form
    12,043,384.12/16,619,661.52 = 6,536,640.78/x
  3. Step 3: Cross multiply
    12,043,384.12x = 16,619,661.52 × 6,536,640.78
  4. Step 4: Simplify right side
    12,043,384.12x = 108,636,757,241,428.78
  5. Step 5: Solve for x
    x = 108,636,757,241,428.78/12,043,384.12
  6. Step 6: Final answer
    x = 9,020,451.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.