Home / 20,966,795.37-28,929,390.71-11,796,092.01

Finding the Fourth Proportional to 20,966,795.37, 28,929,390.71 and 11,796,092.01

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Solution

The fourth proportional to 20,966,795.37, 28,929,390.71 and 11,796,092.01 is: 16,275,913.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966,795.37 : 28,929,390.71 = 11,796,092.01 : x
  2. Step 2: Convert to fraction form
    20,966,795.37/28,929,390.71 = 11,796,092.01/x
  3. Step 3: Cross multiply
    20,966,795.37x = 28,929,390.71 × 11,796,092.01
  4. Step 4: Simplify right side
    20,966,795.37x = 341,253,754,549,418.75
  5. Step 5: Solve for x
    x = 341,253,754,549,418.75/20,966,795.37
  6. Step 6: Final answer
    x = 16,275,913.82

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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.