Home / 20,413,145.80-30,591,725.10-16,634,009.80

Finding the Fourth Proportional to 20,413,145.80, 30,591,725.10 and 16,634,009.80

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Solution

The fourth proportional to 20,413,145.80, 30,591,725.10 and 16,634,009.80 is: 24,928,203.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,413,145.80 : 30,591,725.10 = 16,634,009.80 : x
  2. Step 2: Convert to fraction form
    20,413,145.80/30,591,725.10 = 16,634,009.80/x
  3. Step 3: Cross multiply
    20,413,145.80x = 30,591,725.10 × 16,634,009.80
  4. Step 4: Simplify right side
    20,413,145.80x = 508,863,055,112,306
  5. Step 5: Solve for x
    x = 508,863,055,112,306/20,413,145.80
  6. Step 6: Final answer
    x = 24,928,203.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.