Home / 8,652,420.88-12,971,632.56-5,285,490.64

Finding the Fourth Proportional to 8,652,420.88, 12,971,632.56 and 5,285,490.64

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Solution

The fourth proportional to 8,652,420.88, 12,971,632.56 and 5,285,490.64 is: 7,923,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652,420.88 : 12,971,632.56 = 5,285,490.64 : x
  2. Step 2: Convert to fraction form
    8,652,420.88/12,971,632.56 = 5,285,490.64/x
  3. Step 3: Cross multiply
    8,652,420.88x = 12,971,632.56 × 5,285,490.64
  4. Step 4: Simplify right side
    8,652,420.88x = 68,561,442,481,399.23
  5. Step 5: Solve for x
    x = 68,561,442,481,399.23/8,652,420.88
  6. Step 6: Final answer
    x = 7,923,960.64

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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.