Home / 12,161,521.63-16,782,899.32-6,654,896.94

Finding the Fourth Proportional to 12,161,521.63, 16,782,899.32 and 6,654,896.94

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Solution

The fourth proportional to 12,161,521.63, 16,782,899.32 and 6,654,896.94 is: 9,183,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161,521.63 : 16,782,899.32 = 6,654,896.94 : x
  2. Step 2: Convert to fraction form
    12,161,521.63/16,782,899.32 = 6,654,896.94/x
  3. Step 3: Cross multiply
    12,161,521.63x = 16,782,899.32 × 6,654,896.94
  4. Step 4: Simplify right side
    12,161,521.63x = 111,688,465,334,335.11
  5. Step 5: Solve for x
    x = 111,688,465,334,335.11/12,161,521.63
  6. Step 6: Final answer
    x = 9,183,757.49

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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.