Home / 20,355,043.98-28,090,177.71-11,062,614

Finding the Fourth Proportional to 20,355,043.98, 28,090,177.71 and 11,062,614

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Solution

The fourth proportional to 20,355,043.98, 28,090,177.71 and 11,062,614 is: 15,266,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,043.98 : 28,090,177.71 = 11,062,614 : x
  2. Step 2: Convert to fraction form
    20,355,043.98/28,090,177.71 = 11,062,614/x
  3. Step 3: Cross multiply
    20,355,043.98x = 28,090,177.71 × 11,062,614
  4. Step 4: Simplify right side
    20,355,043.98x = 310,750,793,197,133.94
  5. Step 5: Solve for x
    x = 310,750,793,197,133.94/20,355,043.98
  6. Step 6: Final answer
    x = 15,266,525.27

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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.