Home / 36,687,772.40-55,031,658.60-20,762,524.40

Finding the Fourth Proportional to 36,687,772.40, 55,031,658.60 and 20,762,524.40

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Solution

The fourth proportional to 36,687,772.40, 55,031,658.60 and 20,762,524.40 is: 31,143,786.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,687,772.40 : 55,031,658.60 = 20,762,524.40 : x
  2. Step 2: Convert to fraction form
    36,687,772.40/55,031,658.60 = 20,762,524.40/x
  3. Step 3: Cross multiply
    36,687,772.40x = 55,031,658.60 × 20,762,524.40
  4. Step 4: Simplify right side
    36,687,772.40x = 1,142,596,154,454,969.75
  5. Step 5: Solve for x
    x = 1,142,596,154,454,969.75/36,687,772.40
  6. Step 6: Final answer
    x = 31,143,786.60

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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.