Home / 8,865,021.78-13,297,535.10-2,133,435.78

Finding the Fourth Proportional to 8,865,021.78, 13,297,535.10 and 2,133,435.78

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Solution

The fourth proportional to 8,865,021.78, 13,297,535.10 and 2,133,435.78 is: 3,200,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865,021.78 : 13,297,535.10 = 2,133,435.78 : x
  2. Step 2: Convert to fraction form
    8,865,021.78/13,297,535.10 = 2,133,435.78/x
  3. Step 3: Cross multiply
    8,865,021.78x = 13,297,535.10 × 2,133,435.78
  4. Step 4: Simplify right side
    8,865,021.78x = 28,369,437,168,145.88
  5. Step 5: Solve for x
    x = 28,369,437,168,145.88/8,865,021.78
  6. Step 6: Final answer
    x = 3,200,154.25

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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.