Home / 12,042,315.52-16,616,251.60-6,815,299.12

Finding the Fourth Proportional to 12,042,315.52, 16,616,251.60 and 6,815,299.12

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Solution

The fourth proportional to 12,042,315.52, 16,616,251.60 and 6,815,299.12 is: 9,403,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042,315.52 : 16,616,251.60 = 6,815,299.12 : x
  2. Step 2: Convert to fraction form
    12,042,315.52/16,616,251.60 = 6,815,299.12/x
  3. Step 3: Cross multiply
    12,042,315.52x = 16,616,251.60 × 6,815,299.12
  4. Step 4: Simplify right side
    12,042,315.52x = 113,244,724,907,178.59
  5. Step 5: Solve for x
    x = 113,244,724,907,178.59/12,042,315.52
  6. Step 6: Final answer
    x = 9,403,899.50

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1.5x scale

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.