Home / 21,513,944.25-29,689,243.67-11,856,152.25

Finding the Fourth Proportional to 21,513,944.25, 29,689,243.67 and 11,856,152.25

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Solution

The fourth proportional to 21,513,944.25, 29,689,243.67 and 11,856,152.25 is: 16,361,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513,944.25 : 29,689,243.67 = 11,856,152.25 : x
  2. Step 2: Convert to fraction form
    21,513,944.25/29,689,243.67 = 11,856,152.25/x
  3. Step 3: Cross multiply
    21,513,944.25x = 29,689,243.67 × 11,856,152.25
  4. Step 4: Simplify right side
    21,513,944.25x = 352,000,193,168,509.12
  5. Step 5: Solve for x
    x = 352,000,193,168,509.12/21,513,944.25
  6. Step 6: Final answer
    x = 16,361,490.44

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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.