Home / 21,530,160.65-29,712,339.19-11,741,140.45

Finding the Fourth Proportional to 21,530,160.65, 29,712,339.19 and 11,741,140.45

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Solution

The fourth proportional to 21,530,160.65, 29,712,339.19 and 11,741,140.45 is: 16,203,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530,160.65 : 29,712,339.19 = 11,741,140.45 : x
  2. Step 2: Convert to fraction form
    21,530,160.65/29,712,339.19 = 11,741,140.45/x
  3. Step 3: Cross multiply
    21,530,160.65x = 29,712,339.19 × 11,741,140.45
  4. Step 4: Simplify right side
    21,530,160.65x = 348,856,747,468,224.81
  5. Step 5: Solve for x
    x = 348,856,747,468,224.81/21,530,160.65
  6. Step 6: Final answer
    x = 16,203,165.09

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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.