Home / 16,500,715.12-22,769,140.06-9,158,857.71

Finding the Fourth Proportional to 16,500,715.12, 22,769,140.06 and 9,158,857.71

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Solution

The fourth proportional to 16,500,715.12, 22,769,140.06 and 9,158,857.71 is: 12,638,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,500,715.12 : 22,769,140.06 = 9,158,857.71 : x
  2. Step 2: Convert to fraction form
    16,500,715.12/22,769,140.06 = 9,158,857.71/x
  3. Step 3: Cross multiply
    16,500,715.12x = 22,769,140.06 × 9,158,857.71
  4. Step 4: Simplify right side
    16,500,715.12x = 208,539,313,988,600.88
  5. Step 5: Solve for x
    x = 208,539,313,988,600.88/16,500,715.12
  6. Step 6: Final answer
    x = 12,638,198.56

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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.